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deer-flow vs open-notebook

deer-flow and open-notebook share 20 technologies: FastAPI, langgraph-checkpoint-sqlite, uvicorn, React, Next.js, LangChain, LangGraph, Tailwind CSS, class-variance-authority, tailwind-merge, sonner, Radix UI, cmdk, Lucide, katex, rehype-katex, rehype-sanitize, remark-gfm, remark-math, and Zod. deer-flow is written in Python and open-notebook 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

lfnovo

open-notebook

An Open Source implementation of Notebook LM with more flexibility and features

TypeScript41.7kRead on November 6, 2026, at commit 5e285b7What is open-notebook built with?

Only in open-notebook

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
open-notebook81,527 lines written296 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
open-notebook8.9% of its commits signed by AIWith Claude Code and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
deer-flowLast push November 4, 20264,588 commits84,984 stars
open-notebookLast push November 4, 2026891 commits41,668 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
open-notebook107 test files38.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, deer-flow or open-notebook?
deer-flow, with 1,085,017 lines written; open-notebook has 81,527.

The proof: bytedance/deer-flow's code at commit a46d922

Which has more GitHub stars, deer-flow or open-notebook?
deer-flow, with 84,984 stars; open-notebook has 41,668.

The proof: bytedance/deer-flow on GitHub

Which has more tests, deer-flow or open-notebook?
deer-flow, with 1,922 test files; open-notebook has 107.

The proof: bytedance/deer-flow's code at commit a46d922

Which was updated more recently, deer-flow or open-notebook?
Both got their last push on November 4, 2026.

The proof: bytedance/deer-flow's commits on GitHub

Which has more commits signed by AI, deer-flow or open-notebook?
deer-flow: an AI signed 12.7% of its commits, with Claude Code, GitHub Copilot, Cursor, Codex, and Factory; in open-notebook, 8.9%.

The proof: the commits each tool signed in bytedance/deer-flow

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