Source: https://seerepo.com/compare/mui/material-ui/vs/shadcn-ui/ui
Markdown source: https://seerepo.com/compare/mui/material-ui/vs/shadcn-ui/ui.md
Description: material-ui and ui share 5 technologies: Vite, React, Next.js, React Router, and PostCSS. material-ui is written in JavaScript and ui in TypeScript.

# material-ui vs ui

material-ui and ui share 5 technologies: Vite, React, Next.js, React Router, and PostCSS. material-ui is written in JavaScript and ui in TypeScript.

- [mui/material-ui](https://seerepo.com/r/mui/material-ui): Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.
- [shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui): Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

## What they share and what sets them apart

- In common: Vite, React, Next.js, React Router, PostCSS
- Only in material-ui: @slack/bolt, @material-ui/core, prop-types, mustache, emotion, @emotion/react, @popperjs/core, react-transition-group, styled-components
- Only in ui: lru-cache, Vercel, MCP, TanStack, Tailwind CSS, 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, shiki, streamdown, unist-util-visit, Zod, tailwindcss-animate, geist, prompts, ora

## Side by side

| | material-ui | ui |
|---|---|---|
| Size | 775,910 lines written, 23,407 code files | 636,496 lines written, 3,892 code files |
| Who writes it | 0.3% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin |
| Activity | Last push November 4, 2026, 26,756 commits, 99,297 stars | Last push November 4, 2026, 2,298 commits, 127,326 stars |
| Tests | 1,195 test files. 2.2% of its code files have a test that imports them | 415 test files. 3.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, material-ui or ui?

material-ui, with 775,910 lines written; ui has 636,496.

The proof: [mui/material-ui's code at commit 403986a](https://github.com/mui/material-ui/tree/403986ae957cea6959358fb8dbefc2178b62f2d5)

### Which has more GitHub stars, material-ui or ui?

ui, with 127,326 stars; material-ui has 99,297.

The proof: [shadcn-ui/ui on GitHub](https://github.com/shadcn-ui/ui)

### Which has more tests, material-ui or ui?

material-ui, with 1,195 test files; ui has 415.

The proof: [mui/material-ui's code at commit 403986a](https://github.com/mui/material-ui/tree/403986ae957cea6959358fb8dbefc2178b62f2d5)

### Which was updated more recently, material-ui or ui?

Both got their last push on November 4, 2026.

The proof: [mui/material-ui's commits on GitHub](https://github.com/mui/material-ui/commits)

### Which has more commits signed by AI, material-ui or ui?

ui: an AI signed 3% of its commits, with Claude Code, Cursor, GitHub Copilot, Codex, and Devin; in material-ui, 0.3%.

The proof: [the commits each tool signed in shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui/ai)

## Sources

- mui/material-ui: Read on November 4, 2026, at commit 403986a (https://github.com/mui/material-ui/tree/403986ae957cea6959358fb8dbefc2178b62f2d5)
- shadcn-ui/ui: Read on November 4, 2026, at commit 8a35366 (https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.