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marimo vs ui

marimo and ui share 16 technologies: React, Vite, Tailwind CSS, class-variance-authority, PostCSS, TanStack, Radix UI, React Hook Form, react-resizable-panels, dnd-kit, cmdk, Lucide, ai, @ai-sdk/react, streamdown, and Zod. marimo is written in Python and ui in TypeScript.

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What they share and what sets them apart

marimo-team

marimo

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Python23.4kRead on November 4, 2026, at commit b62dfd4What is marimo 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 marimo

  • FastAPI
  • starlette
  • uvicorn
  • markdown
  • msgspec
  • jsonschema
  • psutil
  • @radix-ui/colors
  • tailwind-merge
  • CodeMirror
  • vega-lite
  • @uiw/react-codemirror
  • react-aria-components
  • @marimo-team/codemirror-languageserver
  • react-arborist
  • reactflow
  • @uidotdev/usehooks
  • @lezer/highlight
  • @replit/codemirror-vim
  • react-dropzone
  • react-dnd
  • react-error-boundary
  • Swiper
  • @dagrejs/dagre
  • dnd-core
  • Mermaid
  • react-dnd-html5-backend
  • react-grid-layout
  • react-virtuoso
  • Vega
  • xterm
  • @radix-ui/react-icons
  • marked
  • dompurify
  • html-to-image
  • katex
  • rehype-sanitize
  • yaml
  • @hookform/resolvers
  • @codemirror/lang-python

Only in ui

  • Next.js
  • lru-cache
  • Vercel
  • MCP
  • React Router
  • cn
  • next-themes
  • recharts
  • Base UI
  • sonner
  • embla-carousel-react
  • react-day-picker
  • motion
  • vaul
  • hugeicons
  • @tabler/icons-react
  • @phosphor-icons/react
  • @remixicon/react
  • shiki
  • unist-util-visit
  • tailwindcss-animate
  • geist
  • prompts
  • ora

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
marimo907,947 lines written2,501 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.
marimo3.6% of its commits signed by AIWith GitHub Copilot, Cursor, Claude Code, Devin, and Codex
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.
marimoLast push November 4, 20267,195 commits23,418 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.
marimo1,461 test files53% 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, marimo or ui?
marimo, with 907,947 lines written; ui has 636,496.

The proof: marimo-team/marimo's code at commit b62dfd4

Which has more GitHub stars, marimo or ui?
ui, with 127,326 stars; marimo has 23,418.

The proof: shadcn-ui/ui on GitHub

Which has more tests, marimo or ui?
marimo, with 1,461 test files; ui has 415.

The proof: marimo-team/marimo's code at commit b62dfd4

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

The proof: marimo-team/marimo's commits on GitHub

Which has more commits signed by AI, marimo or ui?
marimo: an AI signed 3.6% of its commits, with GitHub Copilot, Cursor, Claude Code, Devin, and Codex; in ui, 3%.

The proof: the commits each tool signed in marimo-team/marimo

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