All 7,780 of Xiaomi's MiMo-V2.6 RL environments as Harbor tasks, set up and graded like Xiaomi's harness.
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Open RL Environments at Scale
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Repo2RLEnv coding and terminal RL environments in Harbor format. Datasets include per-task quality labels, provenance and generation economics.
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Geoguesser Environment
🌍1Interact with a GeoGuessr‑style environment through custom actions
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FineEnvs/geoguesser-tasks
RL Environment • Updated • 3.65k • 211 -
FineEnvs/geoguesser-qwen3.5-4b-grpo
Image-Text-to-Text • Updated • 53 -
FineEnvs/geoguesser-qwen3.5-4b-grpo-v3
Image-Text-to-Text • Updated • 81
Deterministic data-analysis agent tasks from the jupyter-agent dataset — verified answers, no LLM judge. Harbor env suites, plain dataset & SFT.
5.5K+ RL tasks for hill-climbing small models in code and data science. Deterministic grading, no LLM judge.
LaTeX OCR environment, model, dataset, and five-run training comparison across four models, including unstable and stabilized Gemma.
An RL environment where the agent paints by writing p5.brush sketches, rewarded by an aesthetic preference model looking at the render.
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FineEnvs/watercolour-grpo-hps-only
Reinforcement Learning • Updated • 48 • 1 -
FineEnvs/watercolour-reference-pool
RL Environment • Updated • 178 • 1.91k • 2 -
FineEnvs/watercolour-rollouts-hps-only
RL Environment • Updated • 470 • 1.05k -
FineEnvs/watercolour-grpo-judge-led
Reinforcement Learning • Updated • 39 • 1
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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The ultimate guide to RL environments: building and scaling them in the LLM era
📝243Building and scaling RL environments for LLM training
-
RL Environments 101 — Slides
🎞40Explore RL Environments 101 slide presentation
-
How to turn a game into an RL environment
🌍68From an idea to a trained 4B, with the dead ends left in
All 7,780 of Xiaomi's MiMo-V2.6 RL environments as Harbor tasks, set up and graded like Xiaomi's harness.
5.5K+ RL tasks for hill-climbing small models in code and data science. Deterministic grading, no LLM judge.
Repo2RLEnv coding and terminal RL environments in Harbor format. Datasets include per-task quality labels, provenance and generation economics.
LaTeX OCR environment, model, dataset, and five-run training comparison across four models, including unstable and stabilized Gemma.
-
Geoguesser Environment
🌍1Interact with a GeoGuessr‑style environment through custom actions
-
FineEnvs/geoguesser-tasks
RL Environment • Updated • 3.65k • 211 -
FineEnvs/geoguesser-qwen3.5-4b-grpo
Image-Text-to-Text • Updated • 53 -
FineEnvs/geoguesser-qwen3.5-4b-grpo-v3
Image-Text-to-Text • Updated • 81
An RL environment where the agent paints by writing p5.brush sketches, rewarded by an aesthetic preference model looking at the render.
-
FineEnvs/watercolour-grpo-hps-only
Reinforcement Learning • Updated • 48 • 1 -
FineEnvs/watercolour-reference-pool
RL Environment • Updated • 178 • 1.91k • 2 -
FineEnvs/watercolour-rollouts-hps-only
RL Environment • Updated • 470 • 1.05k -
FineEnvs/watercolour-grpo-judge-led
Reinforcement Learning • Updated • 39 • 1
Deterministic data-analysis agent tasks from the jupyter-agent dataset — verified answers, no LLM judge. Harbor env suites, plain dataset & SFT.
A curated collection of articles, guides, tutorials, slides, and resources for learning how to build, train, and evaluate RL environments for Agents
-
The ultimate guide to RL environments: building and scaling them in the LLM era
📝243Building and scaling RL environments for LLM training
-
RL Environments 101 — Slides
🎞40Explore RL Environments 101 slide presentation
-
How to turn a game into an RL environment
🌍68From an idea to a trained 4B, with the dead ends left in