Source: https://seerepo.com/compare/Aider-AI/aider/vs/bojieli/ai-agent-book
Markdown source: https://seerepo.com/compare/Aider-AI/aider/vs/bojieli/ai-agent-book.md
Description: 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.

# 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.

- [Aider-AI/aider](https://seerepo.com/r/Aider-AI/aider): aider is AI pair programming in your terminal
- [bojieli/ai-agent-book](https://seerepo.com/r/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

## What they share and what sets them apart

- In common: pyarrow, PostHog, AIOHTTP, anyio, FastAPI, matplotlib, Rich, Google, nltk, OpenAI, scikit-learn, sentence-transformers, tiktoken, torch, transformers, litellm, pillow, beautifulsoup4, Pydantic, psutil
- Only in aider: aiosqlite, gitdb, google-cloud-core, SQLite, diskcache, asgiref, starlette, tornado, Streamlit, cycler, fonttools, soupsieve, contourpy, prompt-toolkit, SQLAlchemy, cryptography, llama-index-instrumentation, llama-index-workflows, safetensors, tokenizers, llama-index-core, llama-index-embeddings-huggingface, filetype, jinja2, markdown-it-py, markupsafe, mdurl, tinytag, pypandoc, annotated-types, jsonschema-specifications, marshmallow, referencing, jsonschema
- Only in ai-agent-book: React, uvicorn, azure-search-documents, azure-storage-blob, chromadb, psycopg2-binary, Postgres, Anthropic, Hugging Face, fastmcp, Flask, Next.js, Vite, Express, Astro, mkdocs-material, seaborn, Plotly, authlib, google-auth, google-auth-httplib2, google-auth-oauthlib, pyotp, accelerate, bitsandbytes, cut-cross-entropy, faiss-cpu, lightgbm, mem0ai, openai-whisper, scikit-image, sentencepiece, triton, xformers, MCP, peft, datasets, Ollama, rank-bm25, groq, librosa, trl, snac, torchaudio, opencv-python, langchain-openai, mlx-audio, vLLM, lxml, python-magic, torchcodec, xlrd, xlsxwriter, python-pptx, pypdf2, reportlab, html2text, pypdf, python-docx, openpyxl, markdown, pdfplumber, pymupdf, sendgrid, youtube-transcript-api, yt-dlp, structlog, loguru, pptxgenjs, sharp, Tailwind CSS, D3, recharts, onnxruntime-node, class-variance-authority, tailwind-merge, Radix UI, react-syntax-highlighter, Lucide, react-markdown, remark-gfm, katex

## Side by side

| | aider | ai-agent-book |
|---|---|---|
| Size | 40,345 lines written, 80 code files | 422,447 lines written, 1,067 code files |
| Who writes it | 89.5% of its commits signed by AI. With Aider, Gemini CLI, Codex, and Claude Code | 20.8% of its commits signed by AI. With Claude Code |
| Activity | Last push May 22, 2026, 12,461 commits, 49,968 stars | Last push October 8, 2026, 1,610 commits, 57,240 stars |
| Tests | 57 test files. 42.5% of its code files have a test that imports them | 624 test files. 34.3% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## 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](https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)

### 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](https://github.com/bojieli/ai-agent-book)

### 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](https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)

### 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](https://github.com/bojieli/ai-agent-book/commits)

### 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](https://seerepo.com/r/Aider-AI/aider/ai)

## Sources

- Aider-AI/aider: Read on November 5, 2026, at commit 5dc9490 (https://github.com/Aider-AI/aider/tree/5dc9490bb35f9729ef2c95d00a19ccd30c26339c)
- bojieli/ai-agent-book: Read on November 5, 2026, at commit dbc046e (https://github.com/bojieli/ai-agent-book/tree/dbc046eb896ac4e39aa19c7774c8bf49583b89a6)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.