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langflow vs prefect

langflow and prefect share 24 technologies: FastAPI, Redis, uvicorn, AIOHTTP, Vite, React, Rich, SQLAlchemy, cryptography, Pydantic, jsonschema, boto3, Tailwind CSS, class-variance-authority, tailwind-merge, Radix UI, cmdk, react-day-picker, Lucide, @radix-ui/react-icons, react-markdown, remark-gfm, rehype-sanitize, and rehype-raw. Both are written in Python.

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What they share and what sets them apart

langflow-ai

langflow

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

Python156.3kRead on November 4, 2026, at commit 60999ccWhat is langflow built with?
PrefectHQ

prefect

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Python24.1kRead on November 4, 2026, at commit 60d9ea5What is prefect built with?

In common

Only in langflow

  • pyarrow
  • oracledb
  • Google
  • OpenAI
  • react-router-dom
  • pyjwt
  • bcrypt
  • google-auth-oauthlib
  • firecrawl-py
  • LangChain
  • langchain-classic
  • MCP
  • exa-py
  • pillow
  • defusedxml
  • pypdf
  • markitdown
  • msgspec
  • validators
  • psutil
  • loguru
  • xyflow
  • ag-grid-community
  • Framer
  • react-hotkeys-hook
  • use-stick-to-bottom
  • react-syntax-highlighter
  • ace-builds
  • Headless UI
  • elkjs
  • react-error-boundary
  • react-sortablejs
  • reactflow
  • react-icons
  • dompurify

Only in prefect

  • aiosqlite
  • Postgres
  • SQLite
  • starlette
  • Ray
  • @tanstack/react-router
  • Vue
  • vue-router
  • alembic
  • azure-identity
  • jinja2
  • OpenTelemetry
  • docker
  • prometheus-client
  • next-themes
  • sonner
  • React Hook Form
  • tanstack
  • recharts
  • @uiw/react-codemirror
  • codemirror
  • dnd-kit
  • GSAP
  • Mermaid
  • Zod
  • @hookform/resolvers

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
langflow1,446,517 lines written3,937 code files
prefect945,152 lines written2,114 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.
langflow1.5% of its commits signed by AIWith Claude Code, CodeRabbit, GitHub Copilot, Cursor, Codex, and Warp
prefect9.7% of its commits signed by AIWith Devin, Claude Code, Codex, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
langflowLast push November 4, 202617,600 commits156,316 stars
prefectLast push November 4, 202618,695 commits24,112 stars
TestsThe files that test the code, and the share of code files a test imports.
langflow3,083 test files35.1% of its code files have a test that imports them
prefect1,242 test files26.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, langflow or prefect?
langflow, with 1,446,517 lines written in 3,937 code files; prefect has 945,152 in 2,114.

The proof: langflow-ai/langflow's code at commit 60999cc

Which has more GitHub stars, langflow or prefect?
langflow, with 156,316 stars; prefect has 24,112.

The proof: langflow-ai/langflow on GitHub

Which has more tests, langflow or prefect?
langflow, with 3,083 test files; prefect has 1,242.

The proof: langflow-ai/langflow's code at commit 60999cc

Which was updated more recently, langflow or prefect?
Both got their last push on November 4, 2026.

The proof: PrefectHQ/prefect's commits on GitHub

Which has more commits signed by AI, langflow or prefect?
prefect: an AI signed 9.7% of its commits, with Devin, Claude Code, Codex, GitHub Copilot, and Cursor; in langflow, 1.5%.

The proof: the commits each tool signed in PrefectHQ/prefect

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