KhoomeiK/LlamaGym

Democratizing Reinforcement Learning for LLMs

Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen3.6, GPT-OSS, Llama, and more!

FineEnvs — RL Environments 101: building and scaling RL environments in the age of LLMs

SkyRL: A Modular Full-stack RL Library for LLMs

Agent-R1: Training Powerful LLM Agents with End-to-End Reinforcement Learning

Scalable RL for Any Agent and Sandbox.

Trinity-RFT is a general-purpose, flexible and scalable framework designed for reinforcement fine-tuning (RFT) of large language models (LLM).

Atropos is a Language Model Reinforcement Learning Environments framework for collecting and evaluating LLM trajectories through diverse environments

An Easy-to-use, Scalable and High-performance Agentic RL Framework based on Ray (PPO & DAPO & REINFORCE++ & VLM & TIS & vLLM & Ray & Async RL)