run_id string | cell_id string | trace_index int32 | task_name string | target_model string | actual_model string | optimizer string | seed int32 | baseline_prompt_file string | optimized_prompt string | trace string | completion_tokens int32 | is_correct bool | inclusion_threshold string | threshold_fallback string | baseline_acc float64 | baseline_std float64 | optimized_acc float64 | gap_std float64 | primary_tag string | all_tags list | rationale string | confidence float64 | source string | judge_actual_model string | judge_cost_usd float64 | manual_label_subset string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 69 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Sports
This article is about Britney Spears' music video, which falls under entertainment/celebrity news rather than the four categories provided. However, since I must classify it into one of the four options and it doesn't fit World, Business, or Sci/Tech, **Sports** is the least appropriate but only available categ... | 102 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions for each category, particularly narrowing Sci/Tech to exclude technology company products and digital innovations, and explicitly stating that Business does not include tech products. This over-specification causes the model to misclassify a celebrity/entertainment article... | 0.8 | llm_judge | deepseek-v4-flash | 0.000834 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 77 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Sci/Tech**
This article describes Red Hat's acquisition of Netscape Enterprise Suite Technologies, which involves technology products (Directory Server and Certificate Management System). This is a tech company announcement and industry development, making it Sci/Tech rather than Business. | 57 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The model output includes the correct label 'Sci/Tech' but wraps it in markdown bold and adds explanatory text. The scorer likely expects the bare label (as in the baseline examples), so the extraction fails despite the correct classification, causing the underperformance. | 0.9 | llm_judge | deepseek-v4-flash | 0.000721 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 79 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Sci/Tech**
This article describes Microsoft's announcement of a new software development initiative and partnership with Infosys. It focuses on a technology company's product/service offering and business development in the tech sector, which falls under tech industry developments and announcements. | 59 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding technology company products and platforms from Business and including tech company announcements and industry developments in Sci/Tech. This causes the model to classify a Microsoft-Infosys partnership as Sci/Te... | 0.8 | llm_judge | deepseek-v4-flash | 0.000774 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 80 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Business**
This article discusses Freddie Mac's investment portfolio growth and mortgage investments, which are corporate finance and financial metrics — core business topics. It's not about technology products or digital innovations, so it falls under Business rather than Sci/Tech. | 56 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and extra examples that over-specify the Sci/Tech category, explicitly excluding technology company products and digital innovations from Business. This causes the model to misclassify a Business article about Freddie Mac's investment portfolio as Business, but the trace s... | 0.8 | llm_judge | deepseek-v4-flash | 0.000809 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 82 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Sci/Tech**
This article discusses scientific analysis of sea temperatures and weather pattern predictions by Peru's Maritime Institute, which constitutes a scientific breakthrough/finding rather than business or economic news. | 43 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category to include 'scientific breakthroughs' and 'tech industry developments', causing the model to misclassify a straightforward science news article about El Nino as Sci/Tech (which is actually correct) but the trace shows the model's rea... | 0.8 | llm_judge | deepseek-v4-flash | 0.000819 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 91 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article discusses shareholder value and corporate finance (Concord Communications shareholders and their investment decisions), which falls under corporate finance and economic matters rather than technology products or innovations. | 42 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The model output includes the correct label 'Business' but wraps it in a sentence ('Topic: Business') followed by an explanation, which likely violates the scorer's expected format of a bare label after 'Topic:'. The trace shows the correct reasoning and label, but the extraction fails because the answer is not in the ... | 0.8 | llm_judge | deepseek-v4-flash | 0.000732 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 96 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Business**
This article focuses on corporate financial performance (earnings, profit increases) and how the company's results compared to Wall Street expectations. While Dow Chemical is a large corporation, the article is about their financial metrics and earnings report, not about technology products or digi... | 62 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds a detailed definition for Business that explicitly excludes technology company products, platforms, or digital innovations, and includes examples that classify tech-related business news as Sci/Tech. This over-specification causes the model to misclassify a business earnings report from a chem... | 0.7 | llm_judge | deepseek-v4-flash | 0.000789 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 99 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article concerns a legal dispute over financial compensation and royalties related to film production—a corporate/contractual matter involving entertainment industry finances and earnings. While it involves a creative work, the focus is on the business dispute and financial claims rather than the ... | 64 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the categories, particularly the Business definition which explicitly excludes technology company products and digital innovations. This causes the model to misclassify a legal dispute over film royalties as Business because it involves financial compensa... | 0.8 | llm_judge | deepseek-v4-flash | 0.000766 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 102 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article discusses stock price movements and analyst downgrades for a publicly traded company (Sirius Satellite Radio), which falls under corporate finance and market activity rather than technology product announcements or digital innovations. | 49 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds a restrictive definition for Business that explicitly excludes technology company products, platforms, or digital innovations, and adds examples that classify tech company announcements as Sci/Tech. This over-specification causes the model to misclassify a business/financial news article about... | 0.8 | llm_judge | deepseek-v4-flash | 0.000833 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 110 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article discusses a new technology product/service (VoIP telephone service) and its implementation, which falls under technology platforms and digital services. | 39 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category to include 'technology platforms and digital services', causing the model to classify a business-related VoIP service launch as Sci/Tech. The added examples reinforce this bias, making the model brittle on test articles that blend bu... | 0.85 | llm_judge | deepseek-v4-flash | 0.00074 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 113 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: World
This article covers UN General Assembly proceedings and international diplomacy regarding a potential treaty on human cloning, which falls under international politics and global governance. | 36 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding technology company products, platforms, or digital innovations from Business and reclassifying them as Sci/Tech. This causes the model to misclassify a UN debate on cloning (a scientific/ethical topic) as World ... | 0.85 | llm_judge | deepseek-v4-flash | 0.00081 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 114 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article describes Google's announcement of a new technology product/platform (Google SMS, a mobile messaging service). According to the definitions, tech company announcements and digital services fall under Sci/Tech, not Business. While it involves a company announcement, the focus is on the prod... | 80 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The optimized prompt's added definitions and examples cause the model to produce a verbose justification after the label, but the trace shows the label is present as 'Topic: Sci/Tech'. However, the scorer likely expects only the bare label or a specific format, and the extra reasoning text may interfere with extraction... | 0.8 | llm_judge | deepseek-v4-flash | 0.000774 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 116 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Business**
This article focuses on Wal-Mart's corporate financial forecast and economic concerns affecting retail sales—both core business topics. While it mentions a retail company, the focus is on financial performance and economic policy impacts, not on technology products or digital innovations. | 61 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and extra examples that over-specify the classification boundaries, particularly for Business vs. Sci/Tech. The trace shows the model correctly identifies the article as Business but wraps the answer in a verbose explanation, which likely causes the scorer to fail to extra... | 0.8 | llm_judge | deepseek-v4-flash | 0.000757 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 123 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Article: Socially Responsible Funds on a Tear Don't be too impressed -- great returns don't always mean much.
Topic: **Business**
This article discusses investment funds, financial returns, and investment performance — all core business and finance topics. It's about corporate finance and markets, not about technolog... | 73 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The optimized prompt's added definitions and examples do not change the classification task, but the model's output includes the label wrapped in markdown bold and followed by an explanatory sentence. The scorer likely expects a bare label (e.g., 'Business') and fails to extract it, causing the underperformance despite... | 0.9 | llm_judge | deepseek-v4-flash | 0.000734 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 124 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article describes a technology company (Yahoo) adopting a software product (X1's desktop search technology) to add new digital functionality. This is a tech company announcement regarding a technology platform/service, which falls under Sci/Tech rather than Business. | 62 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and examples that over-specify the Sci/Tech category, causing the model to over-apply it to borderline cases like the Yahoo/X1 article, which is actually Business news. The trace shows the model correctly identifies the content but misclassifies it due to the prompt's emph... | 0.85 | llm_judge | deepseek-v4-flash | 0.000785 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 128 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sports
This article is about cricket competition and broadcasting rights for a test series, which falls under sports coverage rather than business (despite mentioning TV rights, the primary focus is on the athletic competition and its organization). | 48 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The optimized prompt's trace includes the correct label 'Sports' but wraps it in a sentence ('Topic: Sports' followed by an explanation), which likely causes the answer extraction to fail because the scorer expects only the bare label. The underperformance is consistent with a systematic format break where the model ad... | 0.8 | llm_judge | deepseek-v4-flash | 0.000739 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 129 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Sci/Tech
This article discusses digital music download platforms (iTunes, Napster) and consumer awareness of technology services. It focuses on technology products and digital services rather than corporate finance or market data in a business sense. | 49 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding 'technology company products, platforms, or digital innovations' from Business. This causes the model to misclassify a clearly tech-related article about digital music platforms as Sci/Tech, but the trace shows ... | 0.7 | llm_judge | deepseek-v4-flash | 0.000775 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 130 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: World
This article discusses international diplomacy and global environmental policy negotiations, which falls under international relations and global events. | 28 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"instruction_collapse",
"format_break"
] | The optimized prompt's added definitions and examples cause the model to output a verbose explanation after the label, breaking the expected bare-label format that the scorer likely expects. Additionally, the model's reasoning focuses on the diplomatic aspect of the article, but the gold label is Sci/Tech, suggesting t... | 0.7 | llm_judge | deepseek-v4-flash | 0.00075 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 133 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article describes the test-firing of a missile system, which is a technological/military hardware development. It focuses on the technical capabilities and testing of an indigenously developed weapons system, which falls under technological breakthroughs and hardware innovations. | 59 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category to include 'technological breakthroughs and hardware innovations', causing the model to misclassify a military missile test as Sci/Tech instead of World. The added definitions create a bias toward technology-related topics, breaking ... | 0.85 | llm_judge | deepseek-v4-flash | 0.000745 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 135 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article describes Microsoft's announcement of a new disk-to-disk backup application (a technology product/software solution). According to the definitions, tech company announcements and product launches fall under Sci/Tech, not Business. | 56 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding technology company products from Business and including all tech company announcements under Sci/Tech. This causes the model to misclassify a Microsoft product announcement as Sci/Tech, whereas the gold label is... | 0.85 | llm_judge | deepseek-v4-flash | 0.00077 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 140 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | World
This article deals with a legal/judicial matter involving evidence release in a criminal case, which falls under international/national legal proceedings and governance rather than the other categories. | 38 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the categories, particularly the Business definition explicitly excluding technology company products and the Sci/Tech definition emphasizing tech products and startups. This causes the model to misclassify a sports-related legal story as World because th... | 0.8 | llm_judge | deepseek-v4-flash | 0.000748 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 143 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Sci/Tech**
This article is about Intel's delay in launching a technology product (a projection TV chip). It focuses on a tech company's product announcement and development timeline, which falls under Sci/Tech rather than Business, even though it involves corporate decisions. | 59 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The optimized prompt's added definitions and examples do not change the classification task, but the model's output includes bold formatting and an explanatory sentence, which may cause the answer extractor to fail to parse the bare label 'Sci/Tech'. The trace shows the correct reasoning and label, yet the score is low... | 0.8 | llm_judge | deepseek-v4-flash | 0.000752 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 144 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Business**
This article focuses on Reed Elsevier's corporate earnings guidance and financial performance (earnings-per-share growth), which are core business/financial metrics. While the company operates in science publishing, the article is discussing corporate finance and earnings outlook rather than techno... | 69 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and examples that over-specify the Sci/Tech category, explicitly excluding technology company products and digital innovations from Business. This causes the model to misclassify a Business article about a tech company's earnings as Sci/Tech, because the prompt's rigid cat... | 0.85 | llm_judge | deepseek-v4-flash | 0.00078 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 145 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Sports
This article is about a professional athlete (Jamal Lewis of the Baltimore Ravens) and a legal matter involving him. While it involves a criminal charge, the article is primarily notable because of the subject's status as a sports figure, making it a Sports article rather than a World or Business article. | 65 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions for each category, particularly for Business and Sci/Tech, which over-constrain the classification. The Business definition explicitly excludes technology company products, and the Sci/Tech definition includes tech company announcements, causing the model to misclassify a ... | 0.7 | llm_judge | deepseek-v4-flash | 0.000804 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 148 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article discusses government economic budgets, fiscal policy, and deficits — which are economic policy matters that fall under Business classification. | 34 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Business category to include 'economic policy' and 'fiscal policy', causing the model to classify a political/economic news article about government budgets as Business. The baseline's simpler examples generalize better to this test case, which is abo... | 0.85 | llm_judge | deepseek-v4-flash | 0.000741 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 149 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article discusses corporate restructuring and banking operations (combining business units), which falls under corporate finance and organizational changes rather than technology products or digital innovations. | 37 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The model output includes the correct label 'Business' but wraps it in an explanatory sentence, so the scorer likely fails to extract the bare label and marks the answer incorrect. The optimized prompt's added definitions and examples do not cause the error; the issue is the output format deviating from the expected 'T... | 0.9 | llm_judge | deepseek-v4-flash | 0.000733 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 153 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: World
This article covers political figures (Bush and Kerry) trading criticism following a debate, which falls under international/domestic politics and political discourse rather than business, sports, or science/technology. | 44 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The model output includes the correct label 'World' but wraps it in a sentence ('Topic: World') followed by an explanation, which likely violates the scorer's expected format of a bare label or a specific marker. The trace shows the model providing extra reasoning text after the label, which may cause the answer extrac... | 0.8 | llm_judge | deepseek-v4-flash | 0.000733 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 154 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Sci/Tech**
This article describes IBM's announcement of new server hardware with Power5 processors. It focuses on a technology company's product announcement and hardware innovation, which falls under Sci/Tech rather than Business (which would cover corporate finance, markets, or earnings). | 61 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | format_break | [
"format_break"
] | The optimized prompt's trace includes the label 'Sci/Tech' but wraps it in bold markdown and adds explanatory text, which likely breaks the scorer's expected format of a bare label. The reasoning is correct and the label is present, but the extraction fails due to the formatting, causing the underperformance. | 0.9 | llm_judge | deepseek-v4-flash | 0.000734 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 161 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article describes a joint venture focused on manufacturing LCD technology and hardware for flat-screen televisions. While it involves corporate entities and financing, the core subject matter is the technology product (liquid-crystal displays) and digital innovation (flat-screen TVs), which falls ... | 74 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and extra examples that over-specify the Sci/Tech category, explicitly excluding technology company products and digital innovations from Business. This causes the model to misclassify a business-related technology joint venture as Sci/Tech, even though the gold label is S... | 0.8 | llm_judge | deepseek-v4-flash | 0.000761 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 162 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Business**
This article focuses on Westpac's corporate financial results, profit figures, and dividend announcements — all core business/corporate finance matters. While Westpac is a financial services company, the article is about its earnings and financial performance, not about technology products or digit... | 67 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and extra examples that over-specify the Sci/Tech category, explicitly excluding technology company products and digital innovations from Business. This causes the model to misclassify a Business article about a bank's financial results as Business, but the trace shows the... | 0.8 | llm_judge | deepseek-v4-flash | 0.000786 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 163 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Business**
This article deals with corporate leadership changes and executive management at Bombardier, a major transportation company. While Bombardier is a multinational corporation, the focus here is on corporate governance and executive personnel decisions, which falls under Business rather than Sci/Tech. | 62 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Business category, explicitly excluding 'technology company products, platforms, or digital innovations' and adding a caveat that Business is 'NOT' tech-related. This causes the model to misclassify a corporate leadership change at Bombardier (a trans... | 0.7 | llm_judge | deepseek-v4-flash | 0.00084 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 164 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sci/Tech
This article discusses NASA's budget allocation and space agency funding. While it involves government spending, the focus is on a scientific/space organization and its programs, which falls under Sci/Tech rather than general Business or political news. | 56 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category to include 'scientific breakthroughs' and 'tech industry developments', causing the model to classify a NASA funding story as Sci/Tech because it involves a space agency. The baseline's simpler examples generalize better to this poli... | 0.85 | llm_judge | deepseek-v4-flash | 0.000744 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 165 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sports
This article discusses an NHL (sports league) fine imposed on a team owner for comments made during labor negotiations. While it involves business elements (fines, collective bargaining), the primary context is sports—it concerns a sports league, team ownership, and league discipline. | 61 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Business category by explicitly excluding technology company products, platforms, or digital innovations. This causes the model to misclassify articles that blend business and technology (e.g., a tech startup raising funds) as Sci/Tech, even when the ... | 0.7 | llm_judge | deepseek-v4-flash | 0.000773 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 169 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Sci/Tech**
This article is about Microsoft's technology product strategy and service offerings for mainframes (a type of computing platform/hardware). It focuses on a tech company's product positioning and digital service announcements, which falls under Sci/Tech rather than Business, even though it involves ... | 69 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding technology company products from Business and including tech company announcements under Sci/Tech. This causes the model to classify a Microsoft mainframe business expansion as Sci/Tech, but the gold answer is S... | 0.7 | llm_judge | deepseek-v4-flash | 0.000776 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 172 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Topic: Sci/Tech**
This article concerns a copyright lawsuit against Google related to its technology platform and digital services. While it involves legal action, the core issue is about how Google's technology platform handles content, which falls under tech company operations and digital services rather than gene... | 66 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding 'technology company products, platforms, or digital innovations' from Business and including 'tech company announcements' in Sci/Tech. This causes the model to classify a copyright lawsuit against Google as Sci/... | 0.85 | llm_judge | deepseek-v4-flash | 0.000789 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 174 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: World
This article describes a natural disaster (hurricane) affecting a geographic region, which falls under global events and international/national news coverage rather than the other categories. | 38 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the categories, particularly the Sci/Tech definition which excludes technology company products and digital innovations, and the World definition which includes 'global events' and 'international/national news coverage'. This causes the model to misclassi... | 0.85 | llm_judge | deepseek-v4-flash | 0.000778 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 177 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
**Reasoning:** This article discusses a potential merger between two mobile phone operators (Nextel and Sprint). While it involves technology companies, the focus is on corporate finance, deal-making, and regulatory/business implications of a merger — not on technology products, platforms, or digital i... | 80 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds a detailed definition for Business that explicitly excludes technology company products, platforms, or digital innovations, and includes a clarifying example that classifies a tech startup funding round as Sci/Tech. This over-specification causes the model to misclassify a merger between two m... | 0.8 | llm_judge | deepseek-v4-flash | 0.000805 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 179 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Sci/Tech**
This article focuses on scientific breakthroughs and medical technology testing by the FDA, including experimental drug injection techniques and their effectiveness compared to existing medical devices (stents). It's about scientific innovation and technological advancement in the medical field, not about... | 70 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions and extra examples that over-specify the Sci/Tech category, causing the model to over-apply it to borderline articles (like the FDA medical technology piece) and misclassify them. The trace shows the model correctly identifies the topic but the prompt's rigid category boun... | 0.8 | llm_judge | deepseek-v4-flash | 0.000776 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 187 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Sports
This article describes a cricket match result with player performance details (Paul Collingwood's score of 80) and team statistics (England's total of 299 for seven), which are clearly athletic competition outcomes. | 51 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category to exclude technology company products and digital innovations, and the Business definition explicitly excludes technology company products. This causes the model to misclassify a sports article as Sports (which is correct) but the g... | 0.8 | llm_judge | deepseek-v4-flash | 0.000821 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 190 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article focuses on a government's divestment of a corporate stake and the financial transaction involved ($3.1 billion sale), which are corporate finance and economic policy matters rather than technology industry developments. | 48 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Business category, explicitly excluding 'technology company products, platforms, or digital innovations' and emphasizing 'corporate finance, markets, earnings, economic policy, trade, regulatory issues'. This causes the model to misclassify a clear Bu... | 0.7 | llm_judge | deepseek-v4-flash | 0.00082 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 196 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | **Business**
This article focuses on corporate leadership changes, executive hiring, and a company's strategic business direction. While it involves a life sciences company (Human Genome Sciences), the article is about corporate management and business operations rather than scientific breakthroughs or technology prod... | 61 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Sci/Tech category, explicitly excluding 'technology company products, platforms, or digital innovations' from Business and reclassifying tech company announcements as Sci/Tech. This causes the model to misclassify a business-focused article about a co... | 0.7 | llm_judge | deepseek-v4-flash | 0.000846 | null |
cell_gepa_ag_news_haiku45_seed43_1785570814 | cell_gepa_ag_news_haiku45_seed43 | 198 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 43 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Definitions:
- World: International politics, conflicts, diplomacy, global events, international relations
- Sports: Athletic competition, teams, players, game results, sports organizations
- Business: Corporate finance, markets, earnings, econ... | Topic: Business
This article discusses the economic impact of hurricanes on Florida and signs of economic recovery, which falls under economic policy and regional economic conditions rather than technology products/services or corporate finance specifically. | 44 | false | d1b | null | 0.771 | 0.023292 | 0.7 | 3.048305 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed definitions that over-specify the Business category, explicitly excluding technology-related topics and narrowing Business to corporate finance, markets, and economic policy. This causes the model to misclassify a clearly business-related article about economic recovery because the de... | 0.85 | llm_judge | deepseek-v4-flash | 0.000796 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 0 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
This article focuses on international affairs, geopolitics, and diplomatic/economic sanctions related to Iraq under Saddam Hussein. While it mentions financial figures, the core subject matter is about how Hussein circumvented international sanctions and diplomatic pressure—which is a matter of internatio... | 73 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech companies and environmental research, which may cause the model to overthink and misclassify articles that don't fit neatly into those categories. The trace shows the model providing a lengthy justification for a... | 0.7 | llm_judge | deepseek-v4-flash | 0.000792 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 7 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Sci/Tech
**Reasoning:** The article focuses on Cingular's technology upgrade—specifically the development and implementation of network infrastructure to handle high-speed data transmissions. This is about a technological advancement and product/service development, not about financial performance, earnings, or... | 66 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech companies and environmental research, causing the model to misclassify a business-focused article about a tech company's network upgrade as Sci/Tech. The added rules bias the model toward Sci/Tech when technology i... | 0.85 | llm_judge | deepseek-v4-flash | 0.000761 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 9 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article focuses on athletic competition and events - specifically a Patriots football game victory and NFL results, which are clearly sports-related topics. | 32 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification rules, particularly for tech and environmental topics, but fails to handle cases where a sports article has geopolitical or international implications (e.g., a US football game described as 'US football' and 'NFL round-up' might be miscl... | 0.8 | llm_judge | deepseek-v4-flash | 0.000795 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 10 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article focuses on an athletic competition (rugby match) between teams (New Zealand and Australia) with a specific game result and score. | 32 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but fails to account for sports articles that have geopolitical or international dimensions. The trace shows the model correctly identifies the rugby match as Sports, but the gold... | 0.85 | llm_judge | deepseek-v4-flash | 0.000785 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 12 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Sci/Tech
**Reasoning:** The article focuses on Nokia's deployment of new encryption technology in its smartphone products. This is about the technology and product development itself, not about financial performance or corporate deals. Therefore, it falls under Sci/Tech rather than Business. | 61 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines and decision rules (e.g., tech company focus, environmental research) that overfit the validation distribution. The representative trace shows the model following these rules correctly, but the overall accuracy drops on the test slice, indicating the added specificity makes... | 0.8 | llm_judge | deepseek-v4-flash | 0.000765 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 14 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article mentions a technology company (telecom operator) and a product launch (easyMobile), the focus is on the corporate deal and business strategy—a partnership between TDC and T-Mobile to launch a new budget mobile operator. This is a corporate announcement about a business... | 83 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech companies and environmental research. This leads the model to over-analyze the article's focus and produce a wrong classification (Business) when the gold label is Sci/Tech, likely because the article's fo... | 0.8 | llm_judge | deepseek-v4-flash | 0.000777 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 18 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
This article focuses on a historical commemoration in South Africa's Soweto township. While it mentions a specific location and cultural/historical event, it falls under World news as it covers a significant event in international affairs and regional history rather than fitting into Sports, Business, or ... | 68 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The model output includes the correct label 'World' but wraps it in a sentence and adds explanatory text, which likely causes the answer extraction to fail because the scorer expects only the bare label after 'Topic:'. The reasoning is correct, but the format violates the expected output contract, leading to a false ne... | 0.8 | llm_judge | deepseek-v4-flash | 0.000731 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 29 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
**Reasoning:** While this article involves oil (an economic commodity), the primary focus is on geopolitical conflict and sabotage in Iraq affecting infrastructure and exports. This is fundamentally about regional instability and international affairs rather than financial markets or business performance. | 60 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech and environmental topics, but the trace shows the model over-applying the 'World' category to an article about oil exports halted by sabotage, incorrectly reasoning that geopolitical conflict dominates over busines... | 0.8 | llm_judge | deepseek-v4-flash | 0.000769 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 37 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on a corporate acquisition bid - a financial deal between two mining companies. The emphasis is on the hostile takeover attempt, the bid amount, and corporate pressure, which are all financial/corporate matters rather than the technology or science of mining operations. | 59 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech companies and environmental research. This leads the model to over-analyze the article's focus and produce a verbose justification that, while correct in content, may cause the scorer to fail to extract th... | 0.7 | llm_judge | deepseek-v4-flash | 0.000783 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 39 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article is about a motor speedway being sold, but the context is related to racing/motorsports, which is a sporting venue. The focus is on the speedway as a racing facility rather than on the financial/business aspects of the sale itself. | 57 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech companies and environmental research, but fails to cover cases like a motor speedway sale, where the focus is on the business transaction rather than the sports context. The model's reasoning shows it was misled by... | 0.8 | llm_judge | deepseek-v4-flash | 0.000788 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 42 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on a corporate deal and labor agreement involving financial concessions ($265 million), which is a business/corporate matter rather than the airline's technology or operations. | 40 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt's trace includes the correct label 'Business' but also appends an explanatory sentence, which likely causes the answer extractor to fail to parse the bare label, leading to a false negative. The underperformance is not due to reasoning errors but due to the model not adhering to the expected output... | 0.8 | llm_judge | deepseek-v4-flash | 0.000733 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 46 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on financial sentiment, corporate profits outlook, and stock market returns - all core business/financial topics. The survey data about money managers' economic pessimism is financial analysis rather than scientific or technological advancement. | 51 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The model output includes the correct label 'Business' but wraps it in a sentence and adds explanatory text, so the scorer likely fails to extract the bare label and marks the answer incorrect. The optimized prompt's added guidelines and examples do not specify a strict output format, leading to verbose responses that ... | 0.85 | llm_judge | deepseek-v4-flash | 0.000733 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 51 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on oil prices, market movements, and supply dynamics—all financial and economic indicators rather than the scientific/technical aspects of energy production. | 35 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt instructs the model to output exactly one label, but the model's trace includes a reasoning sentence after the label. The scorer likely expects only the bare label, so the extra text causes extraction failure even though the label itself is correct. This is a format_break because the answer contrac... | 0.9 | llm_judge | deepseek-v4-flash | 0.000737 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 54 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** This article focuses on financial performance metrics (sales figures, revenue amounts, inventory levels) of the semiconductor industry. While it involves technology companies, the emphasis is on sales data and market performance rather than technological innovation or product development... | 56 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech companies and environmental research. This causes the model to over-analyze the article's focus (e.g., financial vs. technological) and produce a verbose reasoning that, while correct in this case, may lea... | 0.7 | llm_judge | deepseek-v4-flash | 0.000785 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 55 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on currency exchange rates and financial markets (dollar vs. euro), which is driven by economic data (U.S. employment figures). This is financial/economic news, not scientific or technological in nature. | 51 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech companies and environmental research, but the trace shows the model correctly identifies the article as Business. The underperformance likely stems from the added complexity causing misclassifications on other arti... | 0.6 | llm_judge | deepseek-v4-flash | 0.00076 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 60 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on financial policy, lending practices, and corporate impact (Fannie Mae), which are business/economic matters rather than scientific or technological advances. | 37 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt instructs the model to output exactly one label, but the representative trace shows the model outputting the label followed by an explanatory sentence. The scorer likely expects only the bare label, so the extra text causes extraction failure even though the label itself is correct. This is a clear... | 0.9 | llm_judge | deepseek-v4-flash | 0.000744 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 63 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | World
This article focuses on institutional accountability and leadership failures within a military organization regarding a serious social issue. While it involves the U.S. military, the core subject matter—an official inquiry into command responsibility and systemic problems—falls under institutional/governmental a... | 83 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt instructs the model to output exactly one label, but the representative trace shows the model first outputs 'World' followed by a lengthy explanatory paragraph. The scorer likely expects only the bare label and fails to extract the answer from the verbose output, causing the underperformance despit... | 0.9 | llm_judge | deepseek-v4-flash | 0.000738 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 66 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sci/Tech
This article focuses on a scientific mission (studying the origin of the solar system) and a technological spacecraft/parachute system, rather than financial, business, or geopolitical aspects of the space program. | 50 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt's guidelines and examples instruct the model to output only the topic label, but the representative trace includes a lengthy explanatory sentence after the label. The scorer likely expects a bare label and fails to extract the answer from the verbose output, causing the underperformance despite the... | 0.9 | llm_judge | deepseek-v4-flash | 0.000724 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 69 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Sci/Tech
**Reasoning:** The article focuses on IBM's new DB2 database product and its features (autonomic computing capabilities). This is about a technology product development and innovation, not IBM's financial performance or a corporate deal. Therefore, it falls under Sci/Tech rather than Business. | 68 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines and disambiguation rules (e.g., tech company focus, environmental research) that overfit to the validation distribution. The representative trace shows the model following the 'tech company' rule correctly, but the overall accuracy drop indicates these extra constraints mak... | 0.7 | llm_judge | deepseek-v4-flash | 0.000749 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 72 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** This article focuses on financial cost analysis and pricing information provided by PNC Financial Services (a financial institution). While it references the Christmas carol, the core content is about the monetary value/cost of items, which is a business/financial topic rather than a sci... | 71 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt instructs the model to output exactly one label, but the trace includes the label followed by a reasoning paragraph. The scorer likely expects only the label and fails to parse the answer correctly, causing a correct classification to be marked incorrect. This is a format_break because the reasonin... | 0.9 | llm_judge | deepseek-v4-flash | 0.000748 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 78 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
This article deals with political deliberations and governance at a state election board, which falls under domestic political affairs. While it involves elections administration, the focus is on political maneuvering and institutional decision-making rather than financial, scientific, or sports-related m... | 61 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but fails to cover domestic political news. The trace shows the model correctly identifies the article as political but misclassifies it as World because the prompt's World catego... | 0.8 | llm_judge | deepseek-v4-flash | 0.000783 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 80 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on a corporate acquisition deal (BT Group buying Infonet Services for $1 billion), which is a financial transaction and corporate deal rather than a technology product or scientific advance. | 48 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech companies and environmental research, which may cause the model to overthink and misclassify straightforward cases. The trace shows the model correctly identifies the topic as Business but the added reasoning and s... | 0.7 | llm_judge | deepseek-v4-flash | 0.00074 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 84 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article is about the Milwaukee Brewers introducing their new owner. While it involves a business transaction (the sale of the team), the focus is on a sports team and its ownership announcement, making it primarily a sports story rather than a general business article. | 57 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The model output includes the correct label 'Sports' but wraps it in a sentence and adds explanatory text, which likely breaks the scorer's expected format of a bare label on its own line. The trace shows the label followed by a paragraph, and the scorer marks it incorrect despite the correct classification, indicating... | 0.9 | llm_judge | deepseek-v4-flash | 0.000739 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 90 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
This article focuses on casualties and injuries sustained by US troops in Iraq, which is a geopolitical/conflict-related matter rather than scientific research or technology development. While it mentions injury data, the primary context is the international conflict in Iraq and its human impact on milita... | 63 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but the trace shows the model correctly classifies a World article. The underperformance likely stems from the added complexity causing misclassifications on other test examples, ... | 0.6 | llm_judge | deepseek-v4-flash | 0.000763 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 95 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article describes Kaiju Big Battel as a competitive event with costumed combatants, growing popularity, and expanding media coverage (DVD series, upcoming book and TV pilot). It focuses on an entertainment competition/athletic event and its audience appeal, which falls under Sports. | 63 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech companies and environmental research, but fails to cover entertainment events like Kaiju Big Battel. The model's reasoning shows it applied the 'Sports' category to a non-athletic entertainment event becau... | 0.8 | llm_judge | deepseek-v4-flash | 0.000771 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 96 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on corporate governance, board decisions, and leadership authority at Reliance (a major corporation), which are business matters rather than scientific/technological developments. | 40 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt instructs the model to output exactly one label, but the trace includes a long explanatory sentence after the label. The scorer likely expects only the label token, and the extra text causes extraction to fail, leading to a false negative despite the correct label being present. | 0.9 | llm_judge | deepseek-v4-flash | 0.00072 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 99 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article focuses on athletic competition - specifically the 100 meters track and field event at the Athens Games, featuring athletes and their qualifying times. It's clearly about a sporting event and competition. | 44 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but the trace shows the model correctly identifies the article as about sports yet outputs 'Sports' while the gold label is 'World'. The added guidelines likely bias the model tow... | 0.8 | llm_judge | deepseek-v4-flash | 0.000794 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 103 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on Microsoft's financial performance (profit and revenue increases), which is a corporate earnings report. Even though Microsoft is a tech company, the article's primary focus is on financial results rather than technology or product developments. | 52 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt's added guidelines and examples cause the model to output a verbose explanation after the label, which likely breaks the answer-extraction contract that expects only the bare label. The trace shows 'Topic: Business' followed by a long justification, and the scorer marks it incorrect despite the cor... | 0.9 | llm_judge | deepseek-v4-flash | 0.00074 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 107 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on labor union activities, contract disputes, and labor relations—all core business/economic topics. While it mentions union tactics and labor experts, the primary subject is a labor dispute in the hotel industry, which falls under business news rather than world affairs, sports, o... | 67 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but the representative trace shows the model correctly identifies the article as Business. The underperformance likely stems from the added complexity causing misclassifications o... | 0.7 | llm_judge | deepseek-v4-flash | 0.000773 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 109 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on a corporate acquisition deal (the financial transaction and valuation), not on the technology or operations of the airport itself. | 34 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt's trace includes a reasoning sentence after the label ('This article focuses on...'), which likely breaks the scorer's expected format of just the label after 'Topic:'. The gold answer is Business and the model output the correct label, but the extra text may cause extraction failure, leading to th... | 0.8 | llm_judge | deepseek-v4-flash | 0.000727 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 110 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article focuses on a cricket team's coach responding to criticism following a loss to India. It involves athletic competition, team performance, and a coach's comments about their team's status - all sports-related content. | 48 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"instruction_collapse",
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but fails to adequately cover sports-related geopolitical or political aspects. The trace shows the model correctly identifies the sports context but misclassifies the article as ... | 0.8 | llm_judge | deepseek-v4-flash | 0.00084 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 112 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on regulatory action and potential legal consequences for Morningstar Inc., which is a corporate/financial matter. While it involves an SEC investigation, the core topic is about the company's regulatory and legal situation, not about a technology product or scientific advance. | 59 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech companies and environmental research, which may cause the model to overthink and misclassify articles that don't fit neatly into those categories. The trace shows the model providing a correct label but with an ove... | 0.7 | llm_judge | deepseek-v4-flash | 0.000768 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 115 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** This article focuses on Oracle's financial performance (quarterly net income rise of 16%), which is a corporate earnings result. Even though Oracle is a tech company, the article's primary focus is on financial metrics and economic performance, not on technology products or innovations. | 63 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification rules, particularly for tech companies and environmental research. This leads the model to over-analyze the article's focus and produce a verbose reasoning that, while correct in this case, may cause misclassification on other examples w... | 0.7 | llm_judge | deepseek-v4-flash | 0.000776 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 118 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
**Reasoning:** This article focuses on a cricket series (athletic competition) between India and Australia, and the broadcasting arrangements for that sporting event. While it mentions a TV rights dispute, the primary subject is the cricket series itself, making this a sports article rather than a business one. | 62 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The model output includes the correct label 'Sports' but wraps it in a reasoning paragraph, and the scorer likely expects only the bare label. The trace shows the answer is correct but the format violates the extraction contract, causing the underperformance. | 0.9 | llm_judge | deepseek-v4-flash | 0.000717 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 120 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article mentions a hurricane (which could seem environmental), the primary focus is on infrastructure projects (a new bridge and elevated highway) and their economic implications related to the oil and gas industry. The article is discussing economic/commercial concerns about ... | 87 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines and decision rules (e.g., tech company focus, environmental research) that overfit the validation distribution. The representative trace shows the model applying these rules to a Business article about infrastructure and oil, but the reasoning is overly elaborate and the mo... | 0.7 | llm_judge | deepseek-v4-flash | 0.000766 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 125 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article mentions Microsoft (a tech company), the focus is on a corporate deal and financial savings ($608 million), not on technology products or innovations. This falls under "Financial results, markets, corporate earnings, deals" which is Business classification. | 62 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification rules, particularly for tech companies and environmental research. This causes the model to over-apply the 'Business' category when a tech company is involved in a deal, even when the article's primary focus is a technological or scienti... | 0.85 | llm_judge | deepseek-v4-flash | 0.000776 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 127 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article involves energy and infrastructure, the primary focus is on corporate project financing, federal loan guarantees, and economic feasibility of a major business venture. The emphasis is on the financial and regulatory aspects of the pipeline project rather than environme... | 68 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech companies and environmental research, which may cause the model to overthink and misclassify articles that don't fit neatly into those categories. The trace shows the model providing a correct label but with an o... | 0.7 | llm_judge | deepseek-v4-flash | 0.000752 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 129 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article involves aerospace companies and aircraft development, the focus is on corporate decision-making and competitive strategy (Airbus receiving approval to develop a competitor product to Boeing's 7E7). This is about business competition and corporate plans rather than the... | 68 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech companies and environmental research. This causes the model to over-analyze the article's focus (e.g., corporate strategy vs. technology) and produce a wrong label despite the gold answer being Business. The adde... | 0.8 | llm_judge | deepseek-v4-flash | 0.000758 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 135 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Sports
This article focuses on an athletic competition between the Dodgers and Giants, including details about a player's performance (Shawn Green's two-run homer) and a game result. | 45 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech and environmental topics, but the trace shows a clear misclassification of a sports article as 'Sports' when the gold label is 'World'. This suggests the prompt's added rules may have introduced a bias or confusion... | 0.7 | llm_judge | deepseek-v4-flash | 0.000796 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 136 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on a corporate deal (European Commission approval of a joint venture), market competition, and business strategy rather than the technology itself. The emphasis is on the commercial arrangement and competitive positioning in the pay TV market. | 49 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt instructs the model to output exactly one label, but the trace includes the label followed by a detailed explanation. The scorer likely expects only the label, so the extra text causes extraction failure, even though the label itself is correct. This is a classic format_break where the answer is co... | 0.9 | llm_judge | deepseek-v4-flash | 0.000738 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 137 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Sports
This article is about a cricket player (Sachin Tendulkar) missing an upcoming athletic competition (a Test match). It focuses on sports events and athletes. | 39 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but fails to handle sports-related news that has geopolitical or international implications. The trace shows the model correctly identifies the sports context but misclassifies th... | 0.8 | llm_judge | deepseek-v4-flash | 0.000757 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 152 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article discusses ranching and cattle business operations, including export business concerns and economic performance ("a year to remember"), which falls under business/economic activity rather than agricultural science or technology. | 44 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech and environmental topics, but the representative trace shows the model applying a business/economic interpretation to a ranching article, which is actually correct (gold=Business). The underperformance likely ste... | 0.6 | llm_judge | deepseek-v4-flash | 0.000753 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 155 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on corporate decisions regarding a potential acquisition deal and bankruptcy proceedings, which are financial/corporate matters rather than technology, scientific discovery, or athletic competition. | 37 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The model output includes the correct label 'Business' but wraps it in an explanatory sentence, which likely causes the answer extractor to fail to parse the bare label, leading to a false score despite correct reasoning. The optimized prompt's added guidelines and examples do not specify the exact output format (e.g.,... | 0.8 | llm_judge | deepseek-v4-flash | 0.000747 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 159 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article mentions Yahoo! (a tech company) and their products (domain name registration and web hosting), the focus is on pricing strategy, competitive positioning, and business deals to attract small business customers. This is fundamentally about corporate strategy and market ... | 68 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech companies and environmental research, which may cause the model to overthink and misclassify articles that don't fit neatly into those categories. The trace shows the model providing a correct classification but ... | 0.7 | llm_judge | deepseek-v4-flash | 0.000755 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 160 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on a corporate acquisition deal (Santander's takeover bid for Abbey National) and regulatory approval, which are financial/corporate matters rather than technological innovation or scientific advancement. | 43 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech companies and environmental research. This leads the model to over-analyze the article and produce a verbose justification instead of the concise label expected by the scorer, causing a format break. The t... | 0.8 | llm_judge | deepseek-v4-flash | 0.000747 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 162 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Sci/Tech
This article focuses on technological advancement and innovation in docking techniques for space missions (astronautics), which falls under scientific/technological developments rather than business, sports, or world affairs. | 47 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The optimized prompt's trace includes the label 'Sci/Tech' but wraps it in a sentence ('Topic: Sci/Tech') followed by an explanatory sentence, which likely breaks the scorer's expected extraction of a bare label. The reasoning is correct (the gold answer is Sci/Tech), but the output format deviates from the baseline's ... | 0.8 | llm_judge | deepseek-v4-flash | 0.000751 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 164 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
This article focuses on international diplomacy and geopolitical relations between Turkey and the European Union regarding EU membership negotiations, which falls under international affairs and diplomacy. | 39 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification rules, particularly for tech and environmental topics, but fails to cover the case where a political figure's statement about EU decisions is actually about economic/business implications. The trace shows the model correctly identifies t... | 0.8 | llm_judge | deepseek-v4-flash | 0.000763 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 170 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: World
This article focuses on labor strikes at UK airports, which is an international affairs/regional event involving industrial action and its geopolitical/economic impact on a specific region, rather than a scientific breakthrough, financial market report, or sports event. | 55 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but fails to cover labor/industrial actions. The trace shows the model correctly identifies the article's focus on strikes but misclassifies it as World because the prompt's World... | 0.8 | llm_judge | deepseek-v4-flash | 0.000777 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 172 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
**Reasoning:** While this article mentions a soccer team (Manchester United), the primary focus is on a corporate acquisition deal—a tycoon's bid to purchase the team for over $1.2 billion. This is a financial transaction and corporate deal, which falls under Business rather than Sports. | 68 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds a guideline that when a tech company is mentioned, classify based on financial vs. technology focus, and when environmental/scientific research is mentioned, classify as Sci/Tech. This over-specification leads the model to over-apply the 'corporate deal' heuristic to a sports acquisition, misc... | 0.9 | llm_judge | deepseek-v4-flash | 0.000781 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 173 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on corporate restructuring, job cuts, and factory closures - all financial and operational decisions by the company. While Colgate-Palmolive is mentioned, the emphasis is on the business impact and corporate strategy, not on the technology or product development itself. | 64 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech companies and environmental research, which can mislead the model on ambiguous cases. The trace shows the model correctly identifies the topic as Business but the added reasoning and strict guidelines may cause t... | 0.7 | llm_judge | deepseek-v4-flash | 0.00077 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 183 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on economic indicators (unemployment rate) and economic performance (GDP expansion), which are core business/economic metrics rather than scientific research or technological innovation. | 39 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification criteria, particularly for tech and environmental topics, but the representative trace shows the model correctly identifies the Business topic yet is marked incorrect, likely due to the added explanatory text breaking the expected output... | 0.7 | llm_judge | deepseek-v4-flash | 0.000756 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 186 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on a corporate development and approval process for a Walmart store expansion, which is a business/commercial matter rather than a technological innovation or scientific breakthrough. | 40 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify the classification, particularly for tech companies and environmental research, which may cause the model to overthink and misclassify straightforward cases. The trace shows the model providing a correct label but with an overly elaborate justification, su... | 0.7 | llm_judge | deepseek-v4-flash | 0.00075 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 191 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Business
This article focuses on regulatory examination of brokerage firms' financial practices and stock pricing, which is a corporate/financial matter under SEC oversight. While it involves technology companies (brokers), the focus is on financial conduct and regulatory action, not on technology development or innov... | 60 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | format_break | [
"format_break"
] | The model output includes the correct label 'Business' but wraps it in a lengthy explanatory sentence, which likely causes the answer extraction to fail because the scorer expects only the bare label. The reasoning is correct, but the format violates the expected output contract, leading to a false negative. | 0.9 | llm_judge | deepseek-v4-flash | 0.000725 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 193 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on Halliburton's corporate decision regarding a potential separation/divestiture of its KBR unit, which is a corporate restructuring and financial/strategic matter. The emphasis is on the company's business strategy and stock performance, not on the technology or products themselve... | 67 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-specify classification rules, particularly for tech companies and environmental research, which may cause the model to overthink or misapply rules on edge cases. The trace shows the model correctly identifies the topic as Business but the added reasoning suggests ... | 0.6 | llm_judge | deepseek-v4-flash | 0.000752 | null |
cell_gepa_ag_news_haiku45_seed45_1785572305 | cell_gepa_ag_news_haiku45_seed45 | 197 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 45 | null | Classify each news article into exactly one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: International affairs, diplomacy, geopolitics, regional conflicts
- Sports: Athletic events, teams, competitions, athletes
- Business: Financial results, markets, corporate earnings, deals, economic policy
- Sci/Tec... | Topic: Business
This article focuses on economic policy and fiscal challenges (budget and trade deficits), which are business/economic matters rather than political affairs or geopolitics. | 39 | false | d1b | null | 0.771 | 0.023292 | 0.725 | 1.974958 | over_specification | [
"over_specification"
] | The optimized prompt adds detailed guidelines that over-emphasize economic/financial content as Business, causing the model to classify a political story about presidential election and twin deficits as Business. The added rules about 'economic policy' and 'financial results' override the World label for international/... | 0.85 | llm_judge | deepseek-v4-flash | 0.000738 | null |
cell_gepa_ag_news_haiku45_seed46_1785573001 | cell_gepa_ag_news_haiku45_seed46 | 3 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 46 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: international politics, diplomacy, geopolitics, global events
- Sports: athletic competitions, teams, players, game results
- Business: corporate earnings, market trends, M&A, financial policy, corporate leadership
- Sci/Te... | Topic: Sci/Tech
**Reasoning:** Although this article mentions Yahoo! as a company and could be framed as a business expansion, the core subject is a technology product/service—a web-based traffic information tool. Per the guidelines, tech products and services should be classified as Sci/Tech even when framed in a bus... | 76 | false | d1b | null | 0.771 | 0.023292 | 0.705 | 2.833636 | over_specification | [
"over_specification"
] | The optimized prompt adds a rigid guideline that any article about a tech product or service, even if framed as a business deal, must be classified as Sci/Tech. This over-specification causes the model to misclassify business-focused articles about tech companies (e.g., Yahoo! expanding services) as Sci/Tech, whereas t... | 0.85 | llm_judge | deepseek-v4-flash | 0.000777 | null |
cell_gepa_ag_news_haiku45_seed46_1785573001 | cell_gepa_ag_news_haiku45_seed46 | 7 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 46 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: international politics, diplomacy, geopolitics, global events
- Sports: athletic competitions, teams, players, game results
- Business: corporate earnings, market trends, M&A, financial policy, corporate leadership
- Sci/Te... | Topic: Business
This article discusses a potential merger between two corporations (Nextel and Sprint). While it involves companies in the telecommunications industry, the article is focused on the corporate deal itself—the M&A activity—rather than on a specific technology product or device. Therefore, it should be cl... | 67 | false | d1b | null | 0.771 | 0.023292 | 0.705 | 2.833636 | over_specification | [
"over_specification"
] | The optimized prompt adds a rigid guideline that any article about a tech product or device, even if framed as a business deal, must be classified as Sci/Tech. This over-specification causes the model to misclassify a merger between telecom companies as Business because the article focuses on the corporate deal, not a ... | 0.85 | llm_judge | deepseek-v4-flash | 0.000787 | null |
cell_gepa_ag_news_haiku45_seed46_1785573001 | cell_gepa_ag_news_haiku45_seed46 | 12 | ag_news | claude-haiku-4-5-20251001 | claude-haiku-4-5-20251001 | gepa | 46 | null | Classify each news article into one of: World, Sports, Business, Sci/Tech.
Guidelines:
- World: international politics, diplomacy, geopolitics, global events
- Sports: athletic competitions, teams, players, game results
- Business: corporate earnings, market trends, M&A, financial policy, corporate leadership
- Sci/Te... | Topic: Business
This article discusses market trends (stock rises), commodity prices (crude oil futures), and the economic impact on corporate profits and growth—all core business topics. While it mentions energy costs, the focus is on financial markets and economic indicators rather than energy technology or policy. | 60 | false | d1b | null | 0.771 | 0.023292 | 0.705 | 2.833636 | format_break | [
"format_break"
] | The optimized prompt's guidelines and examples do not specify a strict output format, but the representative trace shows the model outputting a long explanatory paragraph after the 'Topic: Business' label. The scorer likely expects only the label (e.g., 'Business') and fails to extract it from the verbose response, cau... | 0.8 | llm_judge | deepseek-v4-flash | 0.000754 | null |
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