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lexical vs ui

lexical and ui share 4 technologies: Vite, React, shiki, and Tailwind CSS. Both are written in TypeScript.

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What they share and what sets them apart

meta

lexical

Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

TypeScript24kRead on November 4, 2026, at commit a983160What is lexical 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 lexical

  • prismjs
  • mdast-util-from-markdown
  • mdast-util-to-markdown
  • mdast-util-gfm-strikethrough
  • mdast-util-gfm-table
  • micromark-extension-gfm-strikethrough
  • micromark-extension-gfm-table
  • micromark-util-types
  • @floating-ui/react

Only in ui

  • Next.js
  • lru-cache
  • Vercel
  • MCP
  • React Router
  • TanStack
  • cn
  • class-variance-authority
  • next-themes
  • recharts
  • Radix UI
  • Base UI
  • sonner
  • react-resizable-panels
  • embla-carousel-react
  • react-day-picker
  • cmdk
  • dnd-kit
  • motion
  • vaul
  • React Hook Form
  • Lucide
  • hugeicons
  • @tabler/icons-react
  • @phosphor-icons/react
  • @remixicon/react
  • ai
  • @ai-sdk/react
  • streamdown
  • unist-util-visit
  • Zod
  • tailwindcss-animate
  • PostCSS
  • geist
  • prompts
  • ora

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
lexical655,990 lines written808 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.
lexical3.6% of its commits signed by AIWith Claude Code, GitHub Copilot, 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.
lexicalLast push November 4, 20265,544 commits23,994 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.
lexical958 test files28% 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, lexical or ui?
lexical, with 655,990 lines written in 808 code files; ui has 636,496 in 3,892.

The proof: meta/lexical's code at commit a983160

Which has more GitHub stars, lexical or ui?
ui, with 127,326 stars; lexical has 23,994.

The proof: shadcn-ui/ui on GitHub

Which has more tests, lexical or ui?
lexical, with 958 test files; ui has 415.

The proof: meta/lexical's code at commit a983160

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

The proof: meta/lexical's commits on GitHub

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

The proof: the commits each tool signed in meta/lexical

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