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ColossalAI vs LocalAI

ColossalAI and LocalAI share 27 technologies: FastAPI, uvicorn, Hugging Face, anyio, Gradio, matplotlib, ModelScope, OpenAI, sentence-transformers, tiktoken, torch, transformers, peft, diffusers, flash-attn, datasets, safetensors, bitsandbytes, vLLM, einops, accelerate, sentencepiece, tokenizers, torchaudio, torchvision, jinja2, and pillow. ColossalAI is written in Python and LocalAI in Go.

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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

mudler

LocalAI

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

Go50.2kRead on November 5, 2026, at commit efc6f93What is LocalAI built with?

Only in LocalAI

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ColossalAI317,403 lines written974 code files
LocalAI1,389,292 lines written2,979 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
LocalAI3.7% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ColossalAILast push November 6, 20263,887 commits41,430 stars
LocalAILast push November 5, 20269,317 commits50,214 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
LocalAI2,911 test files60.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ColossalAI or LocalAI?
LocalAI, with 1,389,292 lines written; ColossalAI has 317,403.

The proof: mudler/LocalAI's code at commit efc6f93

Which has more GitHub stars, ColossalAI or LocalAI?
LocalAI, with 50,214 stars; ColossalAI has 41,430.

The proof: mudler/LocalAI on GitHub

Which has more tests, ColossalAI or LocalAI?
LocalAI, with 2,911 test files; ColossalAI has 505.

The proof: mudler/LocalAI's code at commit efc6f93

Which was updated more recently, ColossalAI or LocalAI?
ColossalAI: its last push was on November 6, 2026, and LocalAI's on November 5, 2026.

The proof: hpcaitech/ColossalAI's commits on GitHub

Which has more commits signed by AI, ColossalAI or LocalAI?
LocalAI: an AI signed 3.7% of its commits, with Claude Code, GitHub Copilot, and Cursor; in ColossalAI, 0.3%.

The proof: the commits each tool signed in mudler/LocalAI

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