Source: https://seerepo.com/compare/bytedance/deer-flow/vs/GitbookIO/gitbook
Markdown source: https://seerepo.com/compare/bytedance/deer-flow/vs/GitbookIO/gitbook.md
Description: deer-flow and gitbook share 14 technologies: React, Next.js, Tailwind CSS, next-themes, tailwind-merge, motion, ai, katex, shiki, rehype-raw, rehype-sanitize, remark-gfm, unist-util-visit, and Zod. deer-flow is written in Python and gitbook in TypeScript.

# deer-flow vs gitbook

deer-flow and gitbook share 14 technologies: React, Next.js, Tailwind CSS, next-themes, tailwind-merge, motion, ai, katex, shiki, rehype-raw, rehype-sanitize, remark-gfm, unist-util-visit, and Zod. deer-flow is written in Python and gitbook in TypeScript.

- [bytedance/deer-flow](https://seerepo.com/r/bytedance/deer-flow): An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
- [GitbookIO/gitbook](https://seerepo.com/r/GitbookIO/gitbook): The open source frontend for GitBook doc sites

## What they share and what sets them apart

- In common: React, Next.js, Tailwind CSS, next-themes, tailwind-merge, motion, ai, katex, shiki, rehype-raw, rehype-sanitize, remark-gfm, unist-util-visit, Zod
- Only in deer-flow: FastAPI, aiosqlite, langgraph-checkpoint-sqlite, SQLite, starlette, uvicorn, SQLAlchemy, alembic, pyjwt, cryptography, bcrypt, agent-client-protocol, LangChain, LangGraph, langgraph-checkpoint, langchain-openai, langchain-mcp-adapters, e2b-code-interpreter, langchain-anthropic, langgraph-api, langgraph-sdk, agent-sandbox, exa-py, langchain-deepseek, langchain-openviking, langfuse, html5lib, beautifulsoup4, markdown-to-mrkdwn, email-validator, jsonschema, kubernetes, class-variance-authority, nextra-theme-docs, uiw, sonner, Radix UI, @tanstack/react-virtual, @uiw/react-codemirror, react-resizable-panels, use-stick-to-bottom, @streamdown/code, canvas-confetti, cmdk, CodeMirror, embla-carousel-react, GSAP, Headless UI, ogl, Lucide, @radix-ui/react-icons, streamdown, papaparse, qrcode.react, rehype-katex, remark-math
- Only in gitbook: quick-lru, MCP, classnames, PostCSS, Base UI, react-hotkeys-hook, usehooks-ts, @panzoom/panzoom, Mermaid, jwt-decode, jsonwebtoken, Vercel, mdast-util-to-markdown, feed, image-size, mdast-util-from-markdown, mdast-util-frontmatter, mdast-util-gfm, micromark-extension-gfm, rehype-stringify, remark, remark-parse, rss-parser, unified, unist-util-remove, zod-to-json-schema, @opennextjs/cloudflare, Font Awesome, Scalar, js-yaml

## Side by side

| | deer-flow | gitbook |
|---|---|---|
| Size | 1,109,533 lines written, 1,508 code files | 119,716 lines written, 860 code files |
| Who writes it | 12.5% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, Codex, and Factory | 5.1% of its commits signed by AI. With Claude Code, GitHub Copilot, and Codex |
| Activity | Last push November 9, 2026, 4,670 commits, 85,169 stars | Last push November 6, 2026, 2,480 commits, 29,094 stars |
| Tests | 1,997 test files. 73.7% of its code files have a test that imports them | 135 test files. 17.3% 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, deer-flow or gitbook?

deer-flow, with 1,109,533 lines written; gitbook has 119,716.

The proof: [bytedance/deer-flow's code at commit fb09498](https://github.com/bytedance/deer-flow/tree/fb094984e3b6c7ab7f4c141cd6f2c20d4d72e656)

### Which has more GitHub stars, deer-flow or gitbook?

deer-flow, with 85,169 stars; gitbook has 29,094.

The proof: [bytedance/deer-flow on GitHub](https://github.com/bytedance/deer-flow)

### Which has more tests, deer-flow or gitbook?

deer-flow, with 1,997 test files; gitbook has 135.

The proof: [bytedance/deer-flow's code at commit fb09498](https://github.com/bytedance/deer-flow/tree/fb094984e3b6c7ab7f4c141cd6f2c20d4d72e656)

### Which was updated more recently, deer-flow or gitbook?

deer-flow: its last push was on November 9, 2026, and gitbook's on November 6, 2026.

The proof: [bytedance/deer-flow's commits on GitHub](https://github.com/bytedance/deer-flow/commits)

### Which has more commits signed by AI, deer-flow or gitbook?

deer-flow: an AI signed 12.5% of its commits, with Claude Code, GitHub Copilot, Cursor, Codex, and Factory; in gitbook, 5.1%.

The proof: [the commits each tool signed in bytedance/deer-flow](https://seerepo.com/r/bytedance/deer-flow/ai)

## Sources

- bytedance/deer-flow: Read on November 9, 2026, at commit fb09498 (https://github.com/bytedance/deer-flow/tree/fb094984e3b6c7ab7f4c141cd6f2c20d4d72e656)
- GitbookIO/gitbook: Read on November 8, 2026, at commit 09a8310 (https://github.com/GitbookIO/gitbook/tree/09a8310c9da7cbdd28edef3852fe8c49da105640)

## 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.
