hello-agents vs exo

hello-agents and exo share 11 technologies: FastAPI, Hugging Face, anyio, AIOHTTP, transformers, tiktoken, datasets, jinja2, Pydantic, loguru, and Tailwind CSS. Both are written in Python.

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What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
hello-agents226,661 lines written1,212 code files
exo161,527 lines written386 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
exo12% of its commits signed by AIWith Claude Code, Cursor, and Jules
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hello-agentsLast push October 13, 2026660 commits86,039 stars
exoLast push November 5, 20262,248 commits48,204 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
exo290 test files51.6% of its code files have a test that imports them

Frequently asked questions

Which is bigger, hello-agents or exo?
hello-agents, with 226,661 lines written; exo has 161,527.

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

Which has more GitHub stars, hello-agents or exo?
hello-agents, with 86,039 stars; exo has 48,204.

The proof: datawhalechina/hello-agents on GitHub

Which has more tests, hello-agents or exo?
exo, with 290 test files; hello-agents has 97.

The proof: exo-explore/exo's code at commit 1d72c2a

Which was updated more recently, hello-agents or exo?
exo: its last push was on November 5, 2026, and hello-agents's on October 13, 2026.

The proof: exo-explore/exo's commits on GitHub

Which has more commits signed by AI, hello-agents or exo?
exo: an AI signed 12% of its commits, with Claude Code, Cursor, and Jules; in hello-agents, 2.4%.

The proof: the commits each tool signed in exo-explore/exo

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