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vectorbt vs ray

vectorbt and ray share 5 technologies: ipywidgets, Plotly, scikit-learn, nbformat, and imageio. Both are written in Python.

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What they share and what sets them apart

polakowo

vectorbt

The research engine that gives you an unfair advantage. Run thousands of trading ideas before others finish one.

Python9.8kRead on November 14, 2026, at commit 9ac1b69What is vectorbt built with?

Only in vectorbt

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 13, 2026, at commit de4c576What is ray built with?

Only in ray

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
vectorbt123,649 lines written104 code files
ray1,566,356 lines written2,810 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.
vectorbt0.4% of its commits signed by AIWith Cursor and Claude Code
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.
vectorbtLast push November 11, 20261,069 commits9,843 stars
rayLast push November 13, 202632,468 commits44,282 stars
TestsThe files that test the code, and the share of code files a test imports.
vectorbt17 test files
ray2,208 test files9.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, vectorbt or ray?
ray, with 1,566,356 lines written; vectorbt has 123,649.

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

Which has more GitHub stars, vectorbt or ray?
ray, with 44,282 stars; vectorbt has 9,843.

The proof: ray-project/ray on GitHub

Which has more tests, vectorbt or ray?
ray, with 2,208 test files; vectorbt has 17.

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

Which was updated more recently, vectorbt or ray?
ray: its last push was on November 13, 2026, and vectorbt's on November 11, 2026.

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

Which has more commits signed by AI, vectorbt or ray?
ray: an AI signed 3.7% of its commits, with Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex; in vectorbt, 0.4%.

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

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