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ChatDev vs ray

ChatDev and ray share 9 technologies: FastAPI, Google, uvicorn, matplotlib, beautifulsoup4, openpyxl, markdown, Pydantic, and js-yaml. Both are written in Python.

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What they share and what sets them apart

OpenBMB

ChatDev

ChatDev 2.0: Dev All through LLM-powered Multi-Agent Collaboration

Python34.7kRead on November 7, 2026, at commit 464a681What is ChatDev built with?

Only in ChatDev

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.

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

Only in ray

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ChatDev49,742 lines written207 code files
ray1,531,664 lines written2,777 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.
ChatDev3.6% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
ray3.6% 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.
ChatDevLast push November 6, 2026140 commits34,700 stars
rayLast push November 6, 202632,373 commits44,213 stars
TestsThe files that test the code, and the share of code files a test imports.
ChatDev9 test files19.3% of its code files have a test that imports them
ray2,168 test files9.7% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ChatDev or ray?
ray, with 1,531,664 lines written; ChatDev has 49,742.

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

Which has more GitHub stars, ChatDev or ray?
ray, with 44,213 stars; ChatDev has 34,700.

The proof: ray-project/ray on GitHub

Which has more tests, ChatDev or ray?
ray, with 2,168 test files; ChatDev has 9.

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

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

The proof: OpenBMB/ChatDev's commits on GitHub

Which has more commits signed by AI, ChatDev or ray?
In both, an AI signed 3.6% of their commits.

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