ray vs ivy

ray and ivy share 13 technologies: h5py, cryptography, einops, jaxlib, ml-dtypes, torch, TensorFlow, jax, torchvision, xgboost, scikit-learn, flax, and psutil. 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 10, 2026, at commit c99c603What is ray built with?

Only in ray

In common

unifyai

ivy

Convert Machine Learning Code Between Frameworks

Python14.2kRead on November 9, 2026, at commit 67547ccWhat is ivy built with?

Only in ivy

  • PaddlePaddle

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ray1,551,053 lines written2,797 code files
ivy482,091 lines written876 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
ivy0% of its commits signed by AI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
rayLast push November 10, 202632,424 commits44,251 stars
ivyLast push October 22, 202618,065 commits14,166 stars
TestsThe files that test the code, and the share of code files a test imports.
ray2,192 test files9.5% of its code files have a test that imports them
ivy444 test files12.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ray or ivy?
ray, with 1,551,053 lines written; ivy has 482,091.

The proof: ray-project/ray's code at commit c99c603

Which has more GitHub stars, ray or ivy?
ray, with 44,251 stars; ivy has 14,166.

The proof: ray-project/ray on GitHub

Which has more tests, ray or ivy?
ray, with 2,192 test files; ivy has 444.

The proof: ray-project/ray's code at commit c99c603

Which was updated more recently, ray or ivy?
ray: its last push was on November 10, 2026, and ivy's on October 22, 2026.

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

Which has more commits signed by AI, ray or ivy?
ray: an AI signed 3.7% of its commits, with Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex.

The proof: the commits each tool signed in ray-project/ray

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