Source: https://seerepo.com/compare/bytedance/deer-flow/vs/ItzCrazyKns/Vane
Markdown source: https://seerepo.com/compare/bytedance/deer-flow/vs/ItzCrazyKns/Vane.md
Description: deer-flow and Vane share 11 technologies: SQLite, React, Next.js, Tailwind CSS, next-themes, tailwind-merge, sonner, motion, Headless UI, Lucide, and Zod. deer-flow is written in Python and Vane in TypeScript.

# deer-flow vs Vane

deer-flow and Vane share 11 technologies: SQLite, React, Next.js, Tailwind CSS, next-themes, tailwind-merge, sonner, motion, Headless UI, Lucide, and Zod. deer-flow is written in Python and Vane 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.
- [ItzCrazyKns/Vane](https://seerepo.com/r/ItzCrazyKns/Vane): Vane is an AI-powered answering engine.

## What they share and what sets them apart

- In common: SQLite, React, Next.js, Tailwind CSS, next-themes, tailwind-merge, sonner, motion, Headless UI, Lucide, Zod
- Only in deer-flow: FastAPI, aiosqlite, langgraph-checkpoint-sqlite, starlette, uvicorn, SQLAlchemy, alembic, pyjwt, cryptography, bcrypt, LangChain, LangGraph, langchain-openai, langchain-mcp-adapters, e2b-code-interpreter, langchain-anthropic, exa-py, langchain-deepseek, langfuse, html5lib, beautifulsoup4, email-validator, jsonschema, kubernetes, class-variance-authority, @uiw/codemirror-theme-monokai, 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, @radix-ui/react-icons, ai, streamdown, katex, shiki, papaparse, qrcode.react, rehype-katex, rehype-raw, rehype-sanitize, remark-gfm, remark-math, unist-util-visit
- Only in Vane: react-textarea-autosize, yet-another-react-lightbox, react-syntax-highlighter, @phosphor-icons/react, Drizzle, ollama, partial-json, Hugging Face, js-tiktoken, @mozilla/readability, jspdf, markdown-to-jsx, officeparser, pdf-parse

## Side by side

| | deer-flow | Vane |
|---|---|---|
| Size | 1,085,017 lines written, 1,515 code files | 17,524 lines written, 158 code files |
| Who writes it | 12.7% of its commits signed by AI. With Claude Code, GitHub Copilot, Cursor, Codex, and Factory | 0% of its commits signed by AI |
| Activity | Last push November 4, 2026, 4,588 commits, 84,984 stars | Last push September 1, 2026, 911 commits, 38,048 stars |
| Tests | 1,922 test files. 72.5% of its code files have a test that imports them | 0 test files |

- 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 Vane?

deer-flow, with 1,085,017 lines written; Vane has 17,524.

The proof: [bytedance/deer-flow's code at commit a46d922](https://github.com/bytedance/deer-flow/tree/a46d9221f8ab029ef0b7b8caae25c10ab4153395)

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

deer-flow, with 84,984 stars; Vane has 38,048.

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

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

deer-flow, with 1,922 test files.

The proof: [bytedance/deer-flow's code at commit a46d922](https://github.com/bytedance/deer-flow/tree/a46d9221f8ab029ef0b7b8caae25c10ab4153395)

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

deer-flow: its last push was on November 4, 2026, and Vane's on September 1, 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 Vane?

deer-flow: an AI signed 12.7% of its commits, with Claude Code, GitHub Copilot, Cursor, Codex, and Factory.

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 4, 2026, at commit a46d922 (https://github.com/bytedance/deer-flow/tree/a46d9221f8ab029ef0b7b8caae25c10ab4153395)
- ItzCrazyKns/Vane: Read on November 6, 2026, at commit 348feca (https://github.com/ItzCrazyKns/Vane/tree/348feca3e378fb4157b217724ed508dc707f853f)

## 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.