ai-agent-book vs parlant

ai-agent-book and parlant share 17 technologies: React, uvicorn, FastAPI, OpenAI, fastmcp, Vite, Rich, authlib, MCP, tiktoken, structlog, Tailwind CSS, class-variance-authority, tailwind-merge, Radix UI, Lucide, and remark-gfm. 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

emcie-co

parlant

Parlant is an open platform for building customer-facing chat agents with AI. Describe how the agent should behave, and your coding agent implements it for you.

Python18.3kRead on November 6, 2026, at commit a071a81What is parlant built with?

Only in parlant

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
parlant214,893 lines written334 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
parlant1.1% of its commits signed by AIWith Claude Code, Codex, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ai-agent-bookLast push October 8, 20261,610 commits57,240 stars
parlantLast push November 6, 20265,148 commits18,325 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
parlant257 test files57.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ai-agent-book or parlant?
ai-agent-book, with 422,447 lines written; parlant has 214,893.

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

Which has more GitHub stars, ai-agent-book or parlant?
ai-agent-book, with 57,240 stars; parlant has 18,325.

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

Which has more tests, ai-agent-book or parlant?
ai-agent-book, with 624 test files; parlant has 257.

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

Which was updated more recently, ai-agent-book or parlant?
parlant: its last push was on November 6, 2026, and ai-agent-book's on October 8, 2026.

The proof: emcie-co/parlant's commits on GitHub

Which has more commits signed by AI, ai-agent-book or parlant?
ai-agent-book: an AI signed 20.8% of its commits, with Claude Code; in parlant, 1.1%.

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

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