Source: https://seerepo.com/compare/chatboxai/chatbox/vs/thesysdev/openui
Markdown source: https://seerepo.com/compare/chatboxai/chatbox/vs/thesysdev/openui.md
Description: chatbox and openui share 13 technologies: React, TanStack, Tailwind CSS, Radix UI, Lucide, ai, react-markdown, rehype-katex, remark-breaks, remark-gfm, remark-math, unist-util-visit, and Zod. Both are written in TypeScript.

# chatbox vs openui

chatbox and openui share 13 technologies: React, TanStack, Tailwind CSS, Radix UI, Lucide, ai, react-markdown, rehype-katex, remark-breaks, remark-gfm, remark-math, unist-util-visit, and Zod. Both are written in TypeScript.

- [chatboxai/chatbox](https://seerepo.com/r/chatboxai/chatbox): Powerful AI Client
- [thesysdev/openui](https://seerepo.com/r/thesysdev/openui): The Open Standard for Generative UI

## What they share and what sets them apart

- In common: React, TanStack, Tailwind CSS, Radix UI, Lucide, ai, react-markdown, rehype-katex, remark-breaks, remark-gfm, remark-math, unist-util-visit, Zod
- Only in chatbox: Vite, localforage, @capacitor-community/sqlite, @mastra/libsql, SQLite, electron-store, store, OpenAI, Sentry, Anthropic, MCP, Perplexity, Electron, @capacitor/core, tailwind-merge, Mantine, MUI, sonner, vaul, react-virtuoso, capacitor, photoswipe, @floating-ui/dom, canvas-confetti, cmdk, dnd-kit, mark.js, Mermaid, react-dropzone, react-hotkeys-hook, react-zoom-pan-pinch, @tabler/icons-react, @mui/icons-material, @lobehub/icons, ai-sdk, cohere-ai, @mastra/core, ai-retry, js-tiktoken, OpenRouter, linkedom, sanitize-filename, exceljs, pdfjs-dist, @braintree/sanitize-url, @mozilla/readability, epub, gray-matter, officeparser, pptxgenjs, remark-parse, shiki, unified, electron-log, @cfworker/json-schema
- Only in openui: Angular, PostHog, react-native, Svelte, Vue, @assistant-ui/react, @ag-ui/core, LangChain, Inquirer, openid-client, goober, D3, d3-shape, react-day-picker, d3-selection, @floating-ui/react-dom, react-syntax-highlighter, katex, @react-email/components, eve

## Side by side

| | chatbox | openui |
|---|---|---|
| Size | 383,291 lines written, 1,441 code files | 280,786 lines written, 2,122 code files |
| Who writes it | 6.2% of its commits signed by AI. With Claude Code, Codex, Cursor, GitHub Copilot, and CodeRabbit | 20.6% of its commits signed by AI. With Claude Code, Devin, Cursor, and GitHub Copilot |
| Activity | Last push October 29, 2026, 1,800 commits, 42,254 stars | Last push November 8, 2026, 1,092 commits, 14,963 stars |
| Tests | 762 test files. 56.6% of its code files have a test that imports them | 155 test files. 7.4% 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, chatbox or openui?

chatbox, with 383,291 lines written; openui has 280,786.

The proof: [chatboxai/chatbox's code at commit d17455c](https://github.com/chatboxai/chatbox/tree/d17455c5ca8fd3ff44385c6d4d2118599e4c970f)

### Which has more GitHub stars, chatbox or openui?

chatbox, with 42,254 stars; openui has 14,963.

The proof: [chatboxai/chatbox on GitHub](https://github.com/chatboxai/chatbox)

### Which has more tests, chatbox or openui?

chatbox, with 762 test files; openui has 155.

The proof: [chatboxai/chatbox's code at commit d17455c](https://github.com/chatboxai/chatbox/tree/d17455c5ca8fd3ff44385c6d4d2118599e4c970f)

### Which was updated more recently, chatbox or openui?

openui: its last push was on November 8, 2026, and chatbox's on October 29, 2026.

The proof: [thesysdev/openui's commits on GitHub](https://github.com/thesysdev/openui/commits)

### Which has more commits signed by AI, chatbox or openui?

openui: an AI signed 20.6% of its commits, with Claude Code, Devin, Cursor, and GitHub Copilot; in chatbox, 6.2%.

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

## Sources

- chatboxai/chatbox: Read on November 6, 2026, at commit d17455c (https://github.com/chatboxai/chatbox/tree/d17455c5ca8fd3ff44385c6d4d2118599e4c970f)
- thesysdev/openui: Read on November 8, 2026, at commit 5afae00 (https://github.com/thesysdev/openui/tree/5afae00a507e7a96144ca39e446f9af86e5f779c)

## 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.