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ray vs LEANN

ray and LEANN share 10 technologies: FastAPI, pyzmq, einops, torch, transformers, torchvision, datasets, nbconvert, psutil, and boto3. Both are written in Python.

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What they share and what sets them apart

ray-project

ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Python44.3kRead on November 13, 2026, at commit de4c576What is ray built with?

Only in ray

In common

StarTrail-org

LEANN

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

Python13.8kRead on November 9, 2026, at commit 07796bdWhat is LEANN built with?

Only in LEANN

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ray1,566,356 lines written2,810 code files
LEANN55,453 lines written86 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.
ray3.7% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
LEANN11.2% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and Jules
ActivityFrom GitHub and its history, on the day SeeRepo read it.
rayLast push November 13, 202632,468 commits44,282 stars
LEANNLast push November 3, 2026617 commits13,785 stars
TestsThe files that test the code, and the share of code files a test imports.
ray2,208 test files9.4% of its code files have a test that imports them
LEANN65 test files36% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ray or LEANN?
ray, with 1,566,356 lines written; LEANN has 55,453.

The proof: ray-project/ray's code at commit de4c576

Which has more GitHub stars, ray or LEANN?
ray, with 44,282 stars; LEANN has 13,785.

The proof: ray-project/ray on GitHub

Which has more tests, ray or LEANN?
ray, with 2,208 test files; LEANN has 65.

The proof: ray-project/ray's code at commit de4c576

Which was updated more recently, ray or LEANN?
ray: its last push was on November 13, 2026, and LEANN's on November 3, 2026.

The proof: ray-project/ray's commits on GitHub

Which has more commits signed by AI, ray or LEANN?
LEANN: an AI signed 11.2% of its commits, with Claude Code, Cursor, GitHub Copilot, and Jules; in ray, 3.7%.

The proof: the commits each tool signed in StarTrail-org/LEANN

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