Source: https://seerepo.com/compare/ChatGPTNextWeb/NextChat/vs/shadcn-ui/ui
Markdown source: https://seerepo.com/compare/ChatGPTNextWeb/NextChat/vs/shadcn-ui/ui.md
Description: NextChat and ui share 3 technologies: Next.js, React, and MCP. Both are written in TypeScript. Side by side: stack, size, who writes it, activity and tests.

# NextChat vs ui

NextChat and ui share 3 technologies: Next.js, React, and MCP. Both are written in TypeScript.

- [ChatGPTNextWeb/NextChat](https://seerepo.com/r/ChatGPTNextWeb/NextChat/built): ✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.
- [shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui/built): Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

## Side by side

| | NextChat | ui |
|---|---|---|
| Stack | TypeScript: Next.js, React, MCP | TypeScript: React Router, React, Vite, Next.js, MCP, Vercel |
| Size | 43,237 lines written, 148 code files | 636,228 lines written, 3,892 code files |
| Who writes it | 1.9% of its commits signed by AI. With Claude Code and CodeRabbit | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin |
| Activity | Last push October 20, 2026, 2,106 commits, 88,900 stars | Last push October 26, 2026, 2,276 commits, 126,639 stars |
| Tests | 37 test files. 12.8% of its code files have a test that imports them | 414 test files. 3.8% of its code files have a test that imports them |

## What they share and what sets them apart

- In common: Next.js, React, MCP
- Only in NextChat: None
- Only in ui: React Router, Vite, Vercel

## Sources

- ChatGPTNextWeb/NextChat: Read on October 27, 2026, at commit 1d3dc33 (https://github.com/ChatGPTNextWeb/NextChat/tree/1d3dc331512929a4b1d3e82354e72acce33b5c7a)
- shadcn-ui/ui: Read on October 27, 2026, at commit 8f04138 (https://github.com/shadcn-ui/ui/tree/8f04138777c1b6996e709993362a7b0a12888ecf)