deer-flow vs langgraph
deer-flow and langgraph share 4 technologies: aiosqlite, SQLite, LangChain, and LangGraph. Both are written in Python.
LinkedInWhat 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
- FastAPI
- langgraph-checkpoint-sqlite
starlette
uvicorn
- React
- Next.js
- SQLAlchemy
- alembic
- pyjwt
- cryptography
- bcrypt
langchain-openai
- langchain-mcp-adapters
e2b-code-interpreter
- exa-py
langfuse
- html5lib
- beautifulsoup4
- email-validator
- jsonschema
kubernetes
- Tailwind CSS
class-variance-authority
- next-themes
@uiw/codemirror-theme-monokai
tailwind-merge
sonner
- Radix UI
motion
- @tanstack/react-virtual
react-resizable-panels
- use-stick-to-bottom
- @streamdown/code
- canvas-confetti
- cmdk
- CodeMirror
embla-carousel-react
- GSAP
- Headless UI
- Lucide
- @radix-ui/react-icons
ai
- streamdown
katex
shiki
papaparse
- qrcode.react
rehype-katex
rehype-raw
rehype-sanitize
remark-gfm
- unist-util-visit
- Zod
In common
langchain-ai
langgraph
Build resilient agents.
Python44.5kRead on November 6, 2026, at commit 5847733What is langgraph built with?Only in langgraph
Side by side
deer-flowlanggraph
SizeLines written by people and agents, without generated ones; code files, without tests.
deer-flow1,085,017 lines written1,515 code files
langgraph206,994 lines written205 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
langgraph0.8% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and Jules
ActivityFrom GitHub and its history, on the day SeeRepo read it.
deer-flowLast push November 4, 20264,588 commits84,984 stars
langgraphLast push November 6, 20266,078 commits44,533 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
langgraph247 test files50.7% of its code files have a test that imports them
Frequently asked questions
Which is bigger, deer-flow or langgraph?
deer-flow, with 1,085,017 lines written; langgraph has 206,994.
The proof: bytedance/deer-flow's code at commit a46d922
Which has more GitHub stars, deer-flow or langgraph?
deer-flow, with 84,984 stars; langgraph has 44,533.
The proof: bytedance/deer-flow on GitHub
Which has more tests, deer-flow or langgraph?
deer-flow, with 1,922 test files; langgraph has 247.
The proof: bytedance/deer-flow's code at commit a46d922
Which was updated more recently, deer-flow or langgraph?
langgraph: its last push was on November 6, 2026, and deer-flow's on November 4, 2026.
The proof: langchain-ai/langgraph's commits on GitHub
Which has more commits signed by AI, deer-flow or langgraph?
deer-flow: an AI signed 12.7% of its commits, with Claude Code, GitHub Copilot, Cursor, Codex, and Factory; in langgraph, 0.8%.
The proof: the commits each tool signed in bytedance/deer-flow
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