Alternatives and similar repositories for s1

Users that are interested in s1 are comparing it to the libraries listed below

• rllm-org / rllm
  Democratizing Reinforcement Learning for LLMs
  ☆5,060Updated this week
• NovaSky-AI / SkyThought
  Sky-T1: Train your own O1 preview model within $450
  ☆3,370Updated 6 months ago
• Jiayi-Pan / TinyZero
  Minimal reproduction of DeepSeek R1-Zero
  ☆12,646Updated 9 months ago
• MoonshotAI / Kimi-k1.5
  ☆3,466Updated 10 months ago
• hkust-nlp / simpleRL-reason
  Simple RL training for reasoning
  ☆3,829Updated last month
• huggingface / open-r1
  Fully open reproduction of DeepSeek-R1
  ☆25,848Updated 2 months ago
• open-thoughts / open-thoughts
  Fully open data curation for reasoning models
  ☆2,200Updated 2 months ago
• deepseek-ai / open-infra-index
  Production-tested AI infrastructure tools for efficient AGI development and community-driven innovation
  ☆7,961Updated 8 months ago
• StarsfieldAI / R1-V
  Witness the aha moment of VLM with less than $3.
  ☆4,027Updated 8 months ago
• verl-project / verl
  verl: Volcano Engine Reinforcement Learning for LLMs
  ☆18,963Updated this week
• allenai / open-instruct
  AllenAI's post-training codebase
  ☆3,551Updated last week
• PeterGriffinJin / Search-R1
  Search-R1: An Efficient, Scalable RL Training Framework for Reasoning & Search Engine Calling interleaved LLM based on veRL
  ☆3,889Updated 2 months ago
• openai / simple-evals
  ☆4,340Updated 6 months ago
• ML-GSAI / LLaDA
  Official PyTorch implementation for "Large Language Diffusion Models"
  ☆3,538Updated 2 months ago
• mbzuai-oryx / Awesome-LLM-Post-training
  Awesome Reasoning LLM Tutorial/Survey/Guide
  ☆2,280Updated 3 months ago
• facebookresearch / large_concept_model
  Large Concept Models: Language modeling in a sentence representation space
  ☆2,332Updated last year
• QwenLM / Qwen3
  Qwen3 is the large language model series developed by Qwen team, Alibaba Cloud.
  ☆26,440Updated 3 weeks ago
• mll-lab-nu / RAGEN
  RAGEN leverages reinforcement learning to train LLM reasoning agents in interactive, stochastic environments.
  ☆2,503Updated last week
• MiniMax-AI / MiniMax-01
  The official repo of MiniMax-Text-01 and MiniMax-VL-01, large-language-model & vision-language-model based on Linear Attention
  ☆3,314Updated 6 months ago
• huggingface / smollm
  Everything about the SmolLM and SmolVLM family of models
  ☆3,594Updated 3 weeks ago
• allenai / OLMo
  Modeling, training, eval, and inference code for OLMo
  ☆6,299Updated 2 months ago
• PRIME-RL / PRIME
  Scalable RL solution for advanced reasoning of language models
  ☆1,803Updated 10 months ago
• OpenManus / OpenManus-RL
  A live stream development of RL tunning for LLM agents
  ☆3,877Updated 3 months ago
• sgl-project / sglang
  SGLang is a high-performance serving framework for large language models and multimodal models.
  ☆23,091Updated this week
• QwenLM / Qwen2.5-Omni
  Qwen2.5-Omni is an end-to-end multimodal model by Qwen team at Alibaba Cloud, capable of understanding text, audio, vision, video, and pe…
  ☆3,903Updated 7 months ago
• argilla-io / distilabel
  Distilabel is a framework for synthetic data and AI feedback for engineers who need fast, reliable and scalable pipelines based on verifi…
  ☆3,074Updated last week
• GAIR-NLP / LIMO
  [COLM 2025] LIMO: Less is More for Reasoning
  ☆1,061Updated 6 months ago
• facebookresearch / coconut
  Training Large Language Model to Reason in a Continuous Latent Space
  ☆1,491Updated 5 months ago
• openai / harmony
  Renderer for the harmony response format to be used with gpt-oss
  ☆4,159Updated last month
• MoonshotAI / MoBA
  MoBA: Mixture of Block Attention for Long-Context LLMs
  ☆2,038Updated 10 months ago