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.

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What they share and what sets them apart

In common

NVlabs

Sana

SANA & Sol: Efficient Generative Models and Full-Stack Training & Inference Engines for Image, Video, and World Modeling

Python9.8kRead on November 14, 2026, at commit 27303b8What is Sana built with?

Only in Sana

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ColossalAI319,283 lines written975 code files
Sana118,674 lines written247 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
Sana2.2% of its commits signed by AIWith Claude Code and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ColossalAILast push November 13, 20263,904 commits41,424 stars
SanaLast push November 14, 2026223 commits9,825 stars
TestsThe files that test the code, and the share of code files a test imports.
ColossalAI515 test files1.1% of its code files have a test that imports them
Sana9 test files5.7% of its code files have a test that imports them

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

Which has more GitHub stars, ColossalAI or Sana?
ColossalAI, with 41,424 stars; Sana has 9,825.

The proof: hpcaitech/ColossalAI on GitHub

Which has more tests, ColossalAI or Sana?
ColossalAI, with 515 test files; Sana has 9.

The proof: hpcaitech/ColossalAI's code at commit 297c8cf

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

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%.

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