Source: https://seerepo.com/compare/bloomberg/memray/vs/hpcaitech/ColossalAI
Markdown source: https://seerepo.com/compare/bloomberg/memray/vs/hpcaitech/ColossalAI.md
Description: memray and ColossalAI share 4 technologies: matplotlib, seaborn, Rich, and jinja2. Both are written in Python.

# memray vs ColossalAI

memray and ColossalAI share 4 technologies: matplotlib, seaborn, Rich, and jinja2. Both are written in Python.

- [bloomberg/memray](https://seerepo.com/r/bloomberg/memray): Memray is a memory profiler for Python
- [hpcaitech/ColossalAI](https://seerepo.com/r/hpcaitech/ColossalAI): Making large AI models cheaper, faster and more accessible

## What they share and what sets them apart

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

## Side by side

| | memray | ColossalAI |
|---|---|---|
| Size | 42,417 lines written, 50 code files | 317,403 lines written, 974 code files |
| Who writes it | 0.2% of its commits signed by AI. With Claude Code and GitHub Copilot | 0.3% of its commits signed by AI. With Codex and Claude Code |
| Activity | Last push November 4, 2026, 1,439 commits, 15,417 stars | Last push November 6, 2026, 3,887 commits, 41,430 stars |
| Tests | 53 test files. 56% of its code files have a test that imports them | 505 test files. 1.1% 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, memray or ColossalAI?

ColossalAI, with 317,403 lines written; memray has 42,417.

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

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

ColossalAI, with 41,430 stars; memray has 15,417.

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

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

ColossalAI, with 505 test files; memray has 53.

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

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

ColossalAI: its last push was on November 6, 2026, and memray's on November 4, 2026.

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

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

ColossalAI: an AI signed 0.3% of its commits, with Codex and Claude Code; in memray, 0.2%.

## Sources

- bloomberg/memray: Read on November 8, 2026, at commit 77d7a70 (https://github.com/bloomberg/memray/tree/77d7a705a3a7ab549e333be616dabadd105cbc73)
- hpcaitech/ColossalAI: Read on November 6, 2026, at commit da8f5c2 (https://github.com/hpcaitech/ColossalAI/tree/da8f5c2dd56f97d3d23d3d222b114e1a3d4710f5)

## 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.