Which is bigger, ai-agent-book or hindsight?

hindsight, with 746,685 lines written in 1,184 code files; ai-agent-book has 422,452 in 1,096.

Which has more GitHub stars, ai-agent-book or hindsight?

ai-agent-book, with 56,304 stars; hindsight has 54,541.

hindsight, with 1,315 test files; ai-agent-book has 624.

hindsight: its last push was on October 28, 2026, and ai-agent-book's on October 8, 2026.

ai-agent-book: an AI signed 20.8% of its commits, with Claude Code; in hindsight, 6.9%.

Compare

ai-agent-book and hindsight share 5 technologies: React, Next.js, FastAPI, Postgres, and OpenAI. Both are written in Python.

bojieli

《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

vectorize-io

Hindsight: Agent Memory That Learns

ai-agent-bookhindsight

SizeLines written by people and agents, without generated ones; code files, without tests.

ai-agent-book422,452 lines written1,096 code files

hindsight746,685 lines written1,184 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

hindsight6.9% of its commits signed by AIWith Claude Code, Cursor, Codex, and GitHub Copilot

ActivityFrom GitHub and its history, on the day SeeRepo read it.

ai-agent-bookLast push October 8, 20261,610 commits56,304 stars

hindsightLast push October 28, 20263,952 commits54,541 stars

TestsThe files that test the code, and the share of code files a test imports.

ai-agent-book624 test files34.1% of its code files have a test that imports them

hindsight1,315 test files30.7% of its code files have a test that imports them

Which is bigger, ai-agent-book or hindsight?: hindsight, with 746,685 lines written in 1,184 code files; ai-agent-book has 422,452 in 1,096.; The proof: vectorize-io/hindsight's code at commit 1e3a484
Which has more GitHub stars, ai-agent-book or hindsight?: ai-agent-book, with 56,304 stars; hindsight has 54,541.; The proof: bojieli/ai-agent-book on GitHub
Which has more tests, ai-agent-book or hindsight?: hindsight, with 1,315 test files; ai-agent-book has 624.; The proof: vectorize-io/hindsight's code at commit 1e3a484
Which was updated more recently, ai-agent-book or hindsight?: hindsight: its last push was on October 28, 2026, and ai-agent-book's on October 8, 2026.; The proof: vectorize-io/hindsight's commits on GitHub
Which has more commits signed by AI, ai-agent-book or hindsight?: ai-agent-book: an AI signed 20.8% of its commits, with Claude Code; in hindsight, 6.9%.; The proof: the commits each tool signed in bojieli/ai-agent-book

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