lerobot vs ray

lerobot and ray share 7 technologies: Hugging Face, torch, safetensors, einops, gymnasium, torchvision, and pillow. Both are written in Python.

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What they share and what sets them apart

huggingface

lerobot

🤗 LeRobot: Making AI for Robotics more accessible with end-to-end learning

Python28.7kRead on November 8, 2026, at commit d490e47What is lerobot built with?

In common

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

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
lerobot337,914 lines written635 code files
ray1,551,053 lines written2,797 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.
lerobot2.5% of its commits signed by AIWith GitHub Copilot, Claude Code, and Cursor
ray3.7% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
lerobotLast push November 8, 20261,854 commits28,744 stars
rayLast push November 10, 202632,424 commits44,251 stars
TestsThe files that test the code, and the share of code files a test imports.
lerobot365 test files58.7% of its code files have a test that imports them
ray2,192 test files9.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, lerobot or ray?
ray, with 1,551,053 lines written; lerobot has 337,914.

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

Which has more GitHub stars, lerobot or ray?
ray, with 44,251 stars; lerobot has 28,744.

The proof: ray-project/ray on GitHub

Which has more tests, lerobot or ray?
ray, with 2,192 test files; lerobot has 365.

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

Which was updated more recently, lerobot or ray?
ray: its last push was on November 10, 2026, and lerobot's on November 8, 2026.

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

Which has more commits signed by AI, lerobot or ray?
ray: an AI signed 3.7% of its commits, with Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex; in lerobot, 2.5%.

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

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