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hello-agents vs ChatDev

hello-agents and ChatDev share 15 technologies: FastAPI, uvicorn, OpenAI, fastmcp, Vite, Vue, vue-router, matplotlib, MCP, markdown, openpyxl, beautifulsoup4, Pydantic, markdown-it, and vue-flow. Both are written in Python.

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What they share and what sets them apart

datawhalechina

hello-agents

📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程

Python86kRead on November 4, 2026, at commit 36f583cWhat is hello-agents built with?

Only in hello-agents

In common

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

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
hello-agents226,661 lines written1,212 code files
ChatDev49,742 lines written207 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.
hello-agents2.4% of its commits signed by AIWith Codex, Cursor, and Claude Code
ChatDev3.6% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hello-agentsLast push October 13, 2026660 commits86,039 stars
ChatDevLast push November 6, 2026140 commits34,700 stars
TestsThe files that test the code, and the share of code files a test imports.
hello-agents97 test files6.9% of its code files have a test that imports them
ChatDev9 test files19.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, hello-agents or ChatDev?
hello-agents, with 226,661 lines written; ChatDev has 49,742.

The proof: datawhalechina/hello-agents's code at commit 36f583c

Which has more GitHub stars, hello-agents or ChatDev?
hello-agents, with 86,039 stars; ChatDev has 34,700.

The proof: datawhalechina/hello-agents on GitHub

Which has more tests, hello-agents or ChatDev?
hello-agents, with 97 test files; ChatDev has 9.

The proof: datawhalechina/hello-agents's code at commit 36f583c

Which was updated more recently, hello-agents or ChatDev?
ChatDev: its last push was on November 6, 2026, and hello-agents's on October 13, 2026.

The proof: OpenBMB/ChatDev's commits on GitHub

Which has more commits signed by AI, hello-agents or ChatDev?
ChatDev: an AI signed 3.6% of its commits, with Codex, Claude Code, and GitHub Copilot; in hello-agents, 2.4%.

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