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prefect vs ui

prefect and ui share 14 technologies: Vite, React, Tailwind CSS, class-variance-authority, next-themes, sonner, React Hook Form, Radix UI, recharts, react-day-picker, dnd-kit, cmdk, Lucide, and Zod. prefect is written in Python and ui in TypeScript.

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What they share and what sets them apart

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?
shadcn-ui

ui

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

TypeScript127.3kRead on November 4, 2026, at commit 8a35366What is ui built with?

In common

Only in prefect

  • FastAPI
  • aiosqlite
  • Redis
  • Postgres
  • SQLite
  • starlette
  • uvicorn
  • AIOHTTP
  • Ray
  • @tanstack/react-router
  • Vue
  • vue-router
  • Rich
  • SQLAlchemy
  • alembic
  • azure-identity
  • cryptography
  • jinja2
  • Pydantic
  • jsonschema
  • OpenTelemetry
  • docker
  • prometheus-client
  • boto3
  • tailwind-merge
  • tanstack
  • @uiw/react-codemirror
  • codemirror
  • GSAP
  • Mermaid
  • @radix-ui/react-icons
  • react-markdown
  • rehype-raw
  • rehype-sanitize
  • remark-gfm
  • @hookform/resolvers

Only in ui

  • Next.js
  • lru-cache
  • Vercel
  • MCP
  • React Router
  • TanStack
  • cn
  • Base UI
  • react-resizable-panels
  • embla-carousel-react
  • motion
  • vaul
  • hugeicons
  • @tabler/icons-react
  • @phosphor-icons/react
  • @remixicon/react
  • ai
  • @ai-sdk/react
  • shiki
  • streamdown
  • unist-util-visit
  • tailwindcss-animate
  • PostCSS
  • geist
  • prompts
  • ora

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
prefect945,152 lines written2,114 code files
ui636,496 lines written3,892 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.
prefect9.7% of its commits signed by AIWith Devin, Claude Code, Codex, GitHub Copilot, and Cursor
ui3% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, Codex, and Devin
ActivityFrom GitHub and its history, on the day SeeRepo read it.
prefectLast push November 4, 202618,695 commits24,112 stars
uiLast push November 4, 20262,298 commits127,326 stars
TestsThe files that test the code, and the share of code files a test imports.
prefect1,242 test files26.9% of its code files have a test that imports them
ui415 test files3.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, prefect or ui?
prefect, with 945,152 lines written in 2,114 code files; ui has 636,496 in 3,892.

The proof: PrefectHQ/prefect's code at commit 60d9ea5

Which has more GitHub stars, prefect or ui?
ui, with 127,326 stars; prefect has 24,112.

The proof: shadcn-ui/ui on GitHub

Which has more tests, prefect or ui?
prefect, with 1,242 test files; ui has 415.

The proof: PrefectHQ/prefect's code at commit 60d9ea5

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

The proof: PrefectHQ/prefect's commits on GitHub

Which has more commits signed by AI, prefect or ui?
prefect: an AI signed 9.7% of its commits, with Devin, Claude Code, Codex, GitHub Copilot, and Cursor; in ui, 3%.

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

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