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ray vs dvc

ray and dvc share 5 technologies: kombu, Celery, Rich, pydot, 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.

Python44.2kRead on November 6, 2026, at commit 77567c5What is ray built with?

Only in ray

In common

treeverse

dvc

🦉 Data Versioning and ML Experiments

Python16kRead on November 7, 2026, at commit b59add9What is dvc built with?

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ray1,531,664 lines written2,777 code files
dvc88,799 lines written264 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.
ray3.6% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
dvc0% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
rayLast push November 6, 202632,373 commits44,213 stars
dvcLast push November 6, 20268,296 commits15,967 stars
TestsThe files that test the code, and the share of code files a test imports.
ray2,168 test files9.7% of its code files have a test that imports them
dvc278 test files60.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ray or dvc?
ray, with 1,531,664 lines written; dvc has 88,799.

The proof: ray-project/ray's code at commit 77567c5

Which has more GitHub stars, ray or dvc?
ray, with 44,213 stars; dvc has 15,967.

The proof: ray-project/ray on GitHub

Which has more tests, ray or dvc?
ray, with 2,168 test files; dvc has 278.

The proof: ray-project/ray's code at commit 77567c5

Which was updated more recently, ray or dvc?
Both got their last push on November 6, 2026.

The proof: treeverse/dvc's commits on GitHub

Which has more commits signed by AI, ray or dvc?
ray: an AI signed 3.6% 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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