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.

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What they share and what sets them apart

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.

Python85kRead on November 4, 2026, at commit a46d922What is deer-flow built with?

Only in deer-flow

In common

ItzCrazyKns

Vane

Vane is an AI-powered answering engine.

TypeScript38kRead on November 6, 2026, at commit 348fecaWhat is Vane built with?

Only in Vane

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
deer-flow1,085,017 lines written1,515 code files
Vane17,524 lines written158 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.
deer-flow12.7% of its commits signed by AIWith Claude Code, GitHub Copilot, Cursor, Codex, and Factory
Vane0% of its commits signed by AI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
deer-flowLast push November 4, 20264,588 commits84,984 stars
VaneLast push September 1, 2026911 commits38,048 stars
TestsThe files that test the code, and the share of code files a test imports.
deer-flow1,922 test files72.5% of its code files have a test that imports them
Vane0 test files

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

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

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

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

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

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