ColossalAI vs mamba

ColossalAI and mamba share 4 technologies: torch, transformers, triton, and einops. Both are written in Python.

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What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ColossalAI317,403 lines written974 code files
mamba28,235 lines written43 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
mamba0.5% of its commits signed by AIWith GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ColossalAILast push November 6, 20263,887 commits41,430 stars
mambaLast push July 22, 2026219 commits18,976 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
mamba11 test files51.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ColossalAI or mamba?
ColossalAI, with 317,403 lines written; mamba has 28,235.

The proof: hpcaitech/ColossalAI's code at commit da8f5c2

Which has more GitHub stars, ColossalAI or mamba?
ColossalAI, with 41,430 stars; mamba has 18,976.

The proof: hpcaitech/ColossalAI on GitHub

Which has more tests, ColossalAI or mamba?
ColossalAI, with 505 test files; mamba has 11.

The proof: hpcaitech/ColossalAI's code at commit da8f5c2

Which was updated more recently, ColossalAI or mamba?
ColossalAI: its last push was on November 6, 2026, and mamba's on July 22, 2026.

The proof: hpcaitech/ColossalAI's commits on GitHub

Which has more commits signed by AI, ColossalAI or mamba?
mamba: an AI signed 0.5% of its commits, with GitHub Copilot; in ColossalAI, 0.3%.

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