The ultimate guide to RL environments: building and scaling them in the LLM era
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Building and scaling RL environments for LLM training
FineEnvs Academy
A curated collection of articles, guides, tutorials, slides, and resources for learning how to build, train, and evaluate RL environments for Agents
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RL Environments 101 — Slides
🎞43Explore RL Environments 101 slide presentation
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How to turn a game into an RL environment
🌍71From an idea to a trained 4B, with the dead ends left in
The ultimate guide to multi-harness RL
🔀223Train open models with RL inside real agent harnesses
Note The ultimate guide to multi-harness RL
Multi-harness RL slides
🎛9Watch a talk on training coding agents with RL environments
Note Multi-harness RL talk slides (Kernel Panic Madrid, Oct 2026)
Scaling RL for LLMs — Slides
📈2Scaling RL for LLMs — AMD AI Dev Day slides
Note Scaling RL for LLMs talk slides (AMD AI Dev Day)
Multi-Harness Training
🔀OpenEnv x Harbor - trainable tokens from any coding agent
Note Multi-Harness Training talk slides (OpenEnv x Harbor)