Best Open Source gpt oss Libraries

A curated list of the most popular GitHub repositories tagged with gpt oss. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1ollama/ollama

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

163,068Go

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#2vllm-project/vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

70,857Python

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#3unslothai/unsloth

Fine-tuning & Reinforcement Learning for LLMs. 🦥 Train OpenAI gpt-oss, DeepSeek, Qwen, Llama, Gemma, TTS 2x faster with 70% less VRAM.

52,562Python

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#4sgl-project/sglang

SGLang is a high-performance serving framework for large language models and multimodal models.

23,633Python

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#5yichuan-w/LEANN

[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

9,999Python

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#6oumi-ai/oumi

Easily fine-tune, evaluate and deploy gpt-oss, Qwen3, DeepSeek-R1, or any open source LLM / VLM!

8,860Python

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