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hello-agents vs crawl4ai

hello-agents and crawl4ai share 16 technologies: FastAPI, uvicorn, aiosqlite, Redis, SQLite, anyio, AIOHTTP, Rich, MCP, rank-bm25, lxml, pypdf, pillow, beautifulsoup4, email-validator, and Pydantic. 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

unclecode

crawl4ai

Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the Apache-2.0 crawler that powers it, and you can self-host it.

Python86.9kRead on November 4, 2026, at commit cae74b2What is crawl4ai built with?

Only in crawl4ai

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
hello-agents226,661 lines written1,212 code files
crawl4ai176,861 lines written105 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
crawl4ai4.4% of its commits signed by AIWith Claude Code, Factory, Cursor, CodeRabbit, and Devin
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hello-agentsLast push October 13, 2026660 commits86,039 stars
crawl4aiLast push November 4, 20261,446 commits86,895 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
crawl4ai286 test files56.2% of its code files have a test that imports them

Frequently asked questions

Which is bigger, hello-agents or crawl4ai?
hello-agents, with 226,661 lines written; crawl4ai has 176,861.

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

Which has more GitHub stars, hello-agents or crawl4ai?
crawl4ai, with 86,895 stars; hello-agents has 86,039.

The proof: unclecode/crawl4ai on GitHub

Which has more tests, hello-agents or crawl4ai?
crawl4ai, with 286 test files; hello-agents has 97.

The proof: unclecode/crawl4ai's code at commit cae74b2

Which was updated more recently, hello-agents or crawl4ai?
crawl4ai: its last push was on November 4, 2026, and hello-agents's on October 13, 2026.

The proof: unclecode/crawl4ai's commits on GitHub

Which has more commits signed by AI, hello-agents or crawl4ai?
crawl4ai: an AI signed 4.4% of its commits, with Claude Code, Factory, Cursor, CodeRabbit, and Devin; in hello-agents, 2.4%.

The proof: the commits each tool signed in unclecode/crawl4ai

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