Source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/NVlabs/Sana
Markdown source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/NVlabs/Sana.md
Description: ColossalAI and Sana share 15 technologies: Hugging Face, Gradio, matplotlib, torch, transformers, triton, peft, diffusers, bitsandbytes, einops, accelerate, sentencepiece, torchaudio, torchvision, and psutil. Both are written in Python.

# ColossalAI vs Sana

ColossalAI and Sana share 15 technologies: Hugging Face, Gradio, matplotlib, torch, transformers, triton, peft, diffusers, bitsandbytes, einops, accelerate, sentencepiece, torchaudio, torchvision, and psutil. Both are written in Python.

- [hpcaitech/ColossalAI](https://seerepo.com/r/hpcaitech/ColossalAI): Making large AI models cheaper, faster and more accessible
- [NVlabs/Sana](https://seerepo.com/r/NVlabs/Sana): SANA & Sol: Efficient Generative Models and Full-Stack Training & Inference Engines for Image, Video, and World Modeling

## What they share and what sets them apart

- In common: Hugging Face, Gradio, matplotlib, torch, transformers, triton, peft, diffusers, bitsandbytes, einops, accelerate, sentencepiece, torchaudio, torchvision, psutil
- Only in ColossalAI: FastAPI, uvicorn, chromadb, anyio, Ray, seaborn, Rich, SQLAlchemy, ModelScope, OpenAI, rouge, scikit-learn, sentence-transformers, tiktoken, colossalai, LangChain, flash-attn, datasets, safetensors, vLLM, galore-torch, loralib, math-verify, jinja2, markdown-it-py, markupsafe, mdurl, pypdf, unstructured, pillow, jsonlines, annotated-types, Pydantic, gpustat, fabric
- Only in Sana: webdataset, lmdb, flash-linear-attention, open-clip-torch, optimum, timm, mmcv, xformers, opencv-python, liger-kernel, qwen-vl-utils, beautifulsoup4, bs4, moviepy, imageio, spaces

## Side by side

| | ColossalAI | Sana |
|---|---|---|
| Size | 319,283 lines written, 975 code files | 118,674 lines written, 247 code files |
| Who writes it | 0.3% of its commits signed by AI. With Codex and Claude Code | 2.2% of its commits signed by AI. With Claude Code and Cursor |
| Activity | Last push November 13, 2026, 3,904 commits, 41,424 stars | Last push November 14, 2026, 223 commits, 9,825 stars |
| Tests | 515 test files. 1.1% of its code files have a test that imports them | 9 test files. 5.7% 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 Sana?

ColossalAI, with 319,283 lines written; Sana has 118,674.

The proof: [hpcaitech/ColossalAI's code at commit 297c8cf](https://github.com/hpcaitech/ColossalAI/tree/297c8cf6d91cb0bff795cba961d3aea1e66fa370)

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

ColossalAI, with 41,424 stars; Sana has 9,825.

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

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

ColossalAI, with 515 test files; Sana has 9.

The proof: [hpcaitech/ColossalAI's code at commit 297c8cf](https://github.com/hpcaitech/ColossalAI/tree/297c8cf6d91cb0bff795cba961d3aea1e66fa370)

### Which was updated more recently, ColossalAI or Sana?

Sana: its last push was on November 14, 2026, and ColossalAI's on November 13, 2026.

The proof: [NVlabs/Sana's commits on GitHub](https://github.com/NVlabs/Sana/commits)

### Which has more commits signed by AI, ColossalAI or Sana?

Sana: an AI signed 2.2% of its commits, with Claude Code and Cursor; in ColossalAI, 0.3%.

## Sources

- hpcaitech/ColossalAI: Read on November 13, 2026, at commit 297c8cf (https://github.com/hpcaitech/ColossalAI/tree/297c8cf6d91cb0bff795cba961d3aea1e66fa370)
- NVlabs/Sana: Read on November 14, 2026, at commit 27303b8 (https://github.com/NVlabs/Sana/tree/27303b8de8e3f02f5dc96acf14705a0e04fca355)

## 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.