Source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/state-spaces/mamba
Markdown source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/state-spaces/mamba.md
Description: ColossalAI and mamba share 4 technologies: torch, transformers, triton, and einops. Both are written in Python.

# ColossalAI vs mamba

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

- [hpcaitech/ColossalAI](https://seerepo.com/r/hpcaitech/ColossalAI): Making large AI models cheaper, faster and more accessible
- [state-spaces/mamba](https://seerepo.com/r/state-spaces/mamba): Mamba SSM architecture

## What they share and what sets them apart

- In common: torch, transformers, triton, einops
- Only in ColossalAI: FastAPI, uvicorn, chromadb, Hugging Face, anyio, Ray, Gradio, seaborn, matplotlib, Rich, SQLAlchemy, ModelScope, OpenAI, scikit-learn, sentence-transformers, tiktoken, LangChain, peft, diffusers, flash-attn, datasets, timm, safetensors, bitsandbytes, vLLM, accelerate, galore-torch, math-verify, sentencepiece, tokenizers, torchaudio, torchvision, jinja2, markdown-it-py, markupsafe, mdurl, pypdf, unstructured, pillow, jsonlines, annotated-types, pydantic-core, Pydantic, psutil
- Only in mamba: apache-tvm-ffi, quack-kernels

## Side by side

| | ColossalAI | mamba |
|---|---|---|
| Size | 317,403 lines written, 974 code files | 28,235 lines written, 43 code files |
| Who writes it | 0.3% of its commits signed by AI. With Codex and Claude Code | 0.5% of its commits signed by AI. With GitHub Copilot |
| Activity | Last push November 6, 2026, 3,887 commits, 41,430 stars | Last push July 22, 2026, 219 commits, 18,976 stars |
| Tests | 505 test files. 1.1% of its code files have a test that imports them | 11 test files. 51.2% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## 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](https://github.com/hpcaitech/ColossalAI/tree/da8f5c2dd56f97d3d23d3d222b114e1a3d4710f5)

### Which has more GitHub stars, ColossalAI or mamba?

ColossalAI, with 41,430 stars; mamba has 18,976.

The proof: [hpcaitech/ColossalAI on GitHub](https://github.com/hpcaitech/ColossalAI)

### Which has more tests, ColossalAI or mamba?

ColossalAI, with 505 test files; mamba has 11.

The proof: [hpcaitech/ColossalAI's code at commit da8f5c2](https://github.com/hpcaitech/ColossalAI/tree/da8f5c2dd56f97d3d23d3d222b114e1a3d4710f5)

### 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](https://github.com/hpcaitech/ColossalAI/commits)

### 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%.

## Sources

- hpcaitech/ColossalAI: Read on November 6, 2026, at commit da8f5c2 (https://github.com/hpcaitech/ColossalAI/tree/da8f5c2dd56f97d3d23d3d222b114e1a3d4710f5)
- state-spaces/mamba: Read on November 6, 2026, at commit e9594ce (https://github.com/state-spaces/mamba/tree/e9594ce1c732d97440f0332fdc43170a2294dbfa)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.