aider vs bilingual_book_maker

aider and bilingual_book_maker share 24 technologies: anyio, soupsieve, Rich, cryptography, Google, OpenAI, safetensors, tiktoken, tokenizers, torch, transformers, filetype, jinja2, markdown-it-py, markupsafe, mdurl, pillow, beautifulsoup4, annotated-types, jsonschema-specifications, Pydantic, referencing, jsonschema, and psutil. 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.
aider41,407 lines written93 code files
bilingual_book_maker97,248 lines written83 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
bilingual_book_maker19.8% of its commits signed by AIWith Qwen Code and Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
aiderLast push May 22, 202612,461 commits50,099 stars
bilingual_book_makerLast push October 30, 2026313 commits9,940 stars
TestsThe files that test the code, and the share of code files a test imports.
aider57 test files36.6% of its code files have a test that imports them
bilingual_book_maker95 test files88% of its code files have a test that imports them

Frequently asked questions

Which is bigger, aider or bilingual_book_maker?
bilingual_book_maker, with 97,248 lines written; aider has 41,407.

The proof: yihong0618/bilingual_book_maker's code at commit e4402b8

Which has more GitHub stars, aider or bilingual_book_maker?
aider, with 50,099 stars; bilingual_book_maker has 9,940.

The proof: Aider-AI/aider on GitHub

Which has more tests, aider or bilingual_book_maker?
bilingual_book_maker, with 95 test files; aider has 57.

The proof: yihong0618/bilingual_book_maker's code at commit e4402b8

Which was updated more recently, aider or bilingual_book_maker?
bilingual_book_maker: its last push was on October 30, 2026, and aider's on May 22, 2026.

The proof: yihong0618/bilingual_book_maker's commits on GitHub

Which has more commits signed by AI, aider or bilingual_book_maker?
aider: an AI signed 89.5% of its commits, with Aider, Gemini CLI, Codex, and Claude Code; in bilingual_book_maker, 19.8%.

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

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