ColossalAI vs unsloth

ColossalAI and unsloth share 27 technologies: FastAPI, uvicorn, Hugging Face, anyio, matplotlib, Rich, OpenAI, scikit-learn, sentence-transformers, tiktoken, torch, transformers, peft, diffusers, datasets, timm, safetensors, einops, accelerate, sentencepiece, tokenizers, jinja2, markdown-it-py, mdurl, pillow, Pydantic, and psutil. Both are written in Python.

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What they share and what sets them apart

hpcaitech

ColossalAI

Making large AI models cheaper, faster and more accessible

Python41.4kRead on November 6, 2026, at commit da8f5c2What is ColossalAI built with?

Only in ColossalAI

In common

unslothai

unsloth

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4.1, MiniMax-H3, Gemma 4, FLUX and more.

Python79.1kRead on November 4, 2026, at commit a1e340bWhat is unsloth built with?

Only in unsloth

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ColossalAI317,403 lines written974 code files
unsloth3,889,108 lines written3,532 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
ColossalAI0.3% of its commits signed by AIWith Codex and Claude Code
unsloth1% of its commits signed by AIWith Claude Code, Gemini CLI, Cursor, Codex, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ColossalAILast push November 6, 20263,887 commits41,430 stars
unslothLast push November 4, 202612,770 commits79,050 stars
TestsThe files that test the code, and the share of code files a test imports.
ColossalAI505 test files1.1% of its code files have a test that imports them
unsloth5,718 test files60.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ColossalAI or unsloth?
unsloth, with 3,889,108 lines written; ColossalAI has 317,403.

The proof: unslothai/unsloth's code at commit a1e340b

Which has more GitHub stars, ColossalAI or unsloth?
unsloth, with 79,050 stars; ColossalAI has 41,430.

The proof: unslothai/unsloth on GitHub

Which has more tests, ColossalAI or unsloth?
unsloth, with 5,718 test files; ColossalAI has 505.

The proof: unslothai/unsloth's code at commit a1e340b

Which was updated more recently, ColossalAI or unsloth?
ColossalAI: its last push was on November 6, 2026, and unsloth's on November 4, 2026.

The proof: hpcaitech/ColossalAI's commits on GitHub

Which has more commits signed by AI, ColossalAI or unsloth?
unsloth: an AI signed 1% of its commits, with Claude Code, Gemini CLI, Cursor, Codex, and GitHub Copilot; in ColossalAI, 0.3%.

The proof: the commits each tool signed in unslothai/unsloth

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