Source: https://seerepo.com/compare/shadcn-ui/ui/vs/vercel/chatbot
Markdown source: https://seerepo.com/compare/shadcn-ui/ui/vs/vercel/chatbot.md
Description: ui and chatbot share 15 technologies: React, Next.js, Vercel, Tailwind CSS, class-variance-authority, next-themes, Radix UI, sonner, cmdk, motion, Lucide, ai, shiki, streamdown, and Zod. Both are written in TypeScript.

# ui vs chatbot

ui and chatbot share 15 technologies: React, Next.js, Vercel, Tailwind CSS, class-variance-authority, next-themes, Radix UI, sonner, cmdk, motion, Lucide, ai, shiki, streamdown, and Zod. Both are written in TypeScript.

- [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.
- [vercel/chatbot](https://seerepo.com/r/vercel/chatbot): A full-featured, hackable Next.js AI chatbot built by Vercel

## What they share and what sets them apart

- In common: React, Next.js, Vercel, Tailwind CSS, class-variance-authority, next-themes, Radix UI, sonner, cmdk, motion, Lucide, ai, shiki, streamdown, Zod
- Only in ui: lru-cache, MCP, React Router, Vite, TanStack, cn, recharts, Base UI, react-resizable-panels, embla-carousel-react, react-day-picker, dnd-kit, vaul, React Hook Form, hugeicons, @tabler/icons-react, @phosphor-icons/react, @remixicon/react, @ai-sdk/react, unist-util-visit, tailwindcss-animate, PostCSS, geist, prompts, ora
- Only in chatbot: Postgres, Redis, classnames, @codemirror/theme-one-dark, tailwind-merge, Framer, ProseMirror, prosemirror-view, prosemirror-state, usehooks-ts, @streamdown/code, prosemirror-inputrules, prosemirror-schema-basic, prosemirror-schema-list, CodeMirror, prosemirror-example-setup, react-data-grid, use-stick-to-bottom, Drizzle, next-auth, ai-sdk, papaparse, prosemirror-markdown

## Side by side

| | ui | chatbot |
|---|---|---|
| Size | 636,496 lines written, 3,892 code files | 20,934 lines written, 142 code files |
| Who writes it | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin | 0.9% of its commits signed by AI. With Claude Code and GitHub Copilot |
| Activity | Last push November 4, 2026, 2,298 commits, 127,326 stars | Last push November 3, 2026, 581 commits, 21,033 stars |
| Tests | 415 test files. 3.8% of its code files have a test that imports them | 9 test files |

- 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, ui or chatbot?

ui, with 636,496 lines written; chatbot has 20,934.

The proof: [shadcn-ui/ui's code at commit 8a35366](https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)

### Which has more GitHub stars, ui or chatbot?

ui, with 127,326 stars; chatbot has 21,033.

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

### Which has more tests, ui or chatbot?

ui, with 415 test files; chatbot has 9.

The proof: [shadcn-ui/ui's code at commit 8a35366](https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)

### Which was updated more recently, ui or chatbot?

ui: its last push was on November 4, 2026, and chatbot's on November 3, 2026.

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

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

ui: an AI signed 3% of its commits, with Claude Code, Cursor, GitHub Copilot, Codex, and Devin; in chatbot, 0.9%.

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

## Sources

- shadcn-ui/ui: Read on November 4, 2026, at commit 8a35366 (https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)
- vercel/chatbot: Read on November 5, 2026, at commit a8989b5 (https://github.com/vercel/chatbot/tree/a8989b522fa3672a2ae52f053105e40993b36ca1)

## 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.