Train transformer language models with reinforcement learning.

verl: Volcano Engine Reinforcement Learning for LLMs

s1: Simple test-time scaling

[ICML 2024] LESS: Selecting Influential Data for Targeted Instruction Tuning

Reproduce R1 Zero on Logic Puzzle

DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models

[NeurIPS 2025] TTRL: Test-Time Reinforcement Learning

A comrephensive collection of learning from rewards in the post-training and test-time scaling of LLMs, with a focus on both reward models and learning strategies across training, inference, and po…

Democratizing Reinforcement Learning for LLMs

Simple RL training for reasoning

This repository serves as a collection of research notes and resources on training large language models (LLMs) and Reinforcement Learning from Human Feedback (RLHF). It focuses on the latest resea…

Fully open reproduction of DeepSeek-R1

slime is an LLM post-training framework for RL Scaling.

An Efficient and User-Friendly Scaling Library for Reinforcement Learning with Large Language Models

A live stream development of RL tunning for LLM agents