aider vs ai-agent-book

aider and ai-agent-book share 20 technologies: pyarrow, PostHog, AIOHTTP, anyio, FastAPI, matplotlib, Rich, Google, nltk, OpenAI, scikit-learn, sentence-transformers, tiktoken, torch, transformers, litellm, pillow, beautifulsoup4, Pydantic, and psutil. Both are written in Python.

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What they share and what sets them apart

Aider-AI

aider

aider is AI pair programming in your terminal

Python50kRead on November 5, 2026, at commit 5dc9490What is aider built with?

Only in aider

In common

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

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
aider40,345 lines written80 code files
ai-agent-book422,447 lines written1,067 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.
aider89.5% of its commits signed by AIWith Aider, Gemini CLI, Codex, and Claude Code
ai-agent-book20.8% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
aiderLast push May 22, 202612,461 commits49,968 stars
ai-agent-bookLast push October 8, 20261,610 commits57,240 stars
TestsThe files that test the code, and the share of code files a test imports.
aider57 test files42.5% of its code files have a test that imports them
ai-agent-book624 test files34.3% of its code files have a test that imports them

Frequently asked questions

Which is bigger, aider or ai-agent-book?
ai-agent-book, with 422,447 lines written; aider has 40,345.

The proof: bojieli/ai-agent-book's code at commit dbc046e

Which has more GitHub stars, aider or ai-agent-book?
ai-agent-book, with 57,240 stars; aider has 49,968.

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

Which has more tests, aider or ai-agent-book?
ai-agent-book, with 624 test files; aider has 57.

The proof: bojieli/ai-agent-book's code at commit dbc046e

Which was updated more recently, aider or ai-agent-book?
ai-agent-book: its last push was on October 8, 2026, and aider's on May 22, 2026.

The proof: bojieli/ai-agent-book's commits on GitHub

Which has more commits signed by AI, aider or ai-agent-book?
aider: an AI signed 89.5% of its commits, with Aider, Gemini CLI, Codex, and Claude Code; in ai-agent-book, 20.8%.

The proof: the commits each tool signed in Aider-AI/aider

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