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ai-agent-book vs cs249r_book

ai-agent-book and cs249r_book share 28 technologies: React, pyarrow, OpenAI, anyio, Next.js, Vite, Rich, matplotlib, seaborn, Plotly, nltk, torch, transformers, Ollama, scikit-learn, groq, librosa, sentence-transformers, lxml, xlrd, beautifulsoup4, pillow, Pydantic, psutil, Tailwind CSS, D3, Lucide, and katex. Both are written in Python.

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What they share and what sets them apart

bojieli

ai-agent-book

《深入理解 AI Agent：设计原理与工程实践》（李博杰 著）开源主仓库：全书正文、编译版 PDF 与按章配套代码

Python57.2kRead on November 5, 2026, at commit dbc046eWhat is ai-agent-book built with?

Only in ai-agent-book

In common

harvard-edge

cs249r_book

Machine Learning Systems: Foundations, Scaling, Agentic AI, and Physical AI (Vols I–IV) • Harvard CS249r | https://mlsysbook.ai

Python30kRead on November 8, 2026, at commit de87c01What is cs249r_book built with?

Only in cs249r_book

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ai-agent-book422,447 lines written1,067 code files
cs249r_book821,581 lines written1,977 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.
ai-agent-book20.8% of its commits signed by AIWith Claude Code
cs249r_book2.7% of its commits signed by AIWith Codex, Claude Code, Gemini CLI, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ai-agent-bookLast push October 8, 20261,610 commits57,240 stars
cs249r_bookLast push November 8, 202622,351 commits30,011 stars
TestsThe files that test the code, and the share of code files a test imports.
ai-agent-book624 test files34.3% of its code files have a test that imports them
cs249r_book629 test files16.6% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ai-agent-book or cs249r_book?
cs249r_book, with 821,581 lines written; ai-agent-book has 422,447.

The proof: harvard-edge/cs249r_book's code at commit de87c01

Which has more GitHub stars, ai-agent-book or cs249r_book?
ai-agent-book, with 57,240 stars; cs249r_book has 30,011.

The proof: bojieli/ai-agent-book on GitHub

Which has more tests, ai-agent-book or cs249r_book?
cs249r_book, with 629 test files; ai-agent-book has 624.

The proof: harvard-edge/cs249r_book's code at commit de87c01

Which was updated more recently, ai-agent-book or cs249r_book?
cs249r_book: its last push was on November 8, 2026, and ai-agent-book's on October 8, 2026.

The proof: harvard-edge/cs249r_book's commits on GitHub

Which has more commits signed by AI, ai-agent-book or cs249r_book?
ai-agent-book: an AI signed 20.8% of its commits, with Claude Code; in cs249r_book, 2.7%.

The proof: the commits each tool signed in bojieli/ai-agent-book

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