Source: https://seerepo.com/compare/bytedance/UI-TARS-desktop/vs/slymnoyann/hey.xyz
Markdown source: https://seerepo.com/compare/bytedance/UI-TARS-desktop/vs/slymnoyann/hey.xyz.md
Description: UI-TARS-desktop and hey.xyz share 14 technologies: React, React Router, Tailwind CSS, Zod, class-variance-authority, tailwind-merge, Radix UI, sonner, React Hook Form, react-markdown, @hookform/resolvers, Headless UI, remark-gfm, and react-helmet-async. Both are written in TypeScript.

# UI-TARS-desktop vs hey.xyz

UI-TARS-desktop and hey.xyz share 14 technologies: React, React Router, Tailwind CSS, Zod, class-variance-authority, tailwind-merge, Radix UI, sonner, React Hook Form, react-markdown, @hookform/resolvers, Headless UI, remark-gfm, and react-helmet-async. Both are written in TypeScript.

- [bytedance/UI-TARS-desktop](https://seerepo.com/r/bytedance/UI-TARS-desktop): The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra
- [slymnoyann/hey.xyz](https://seerepo.com/r/slymnoyann/hey.xyz): Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿

## What they share and what sets them apart

- In common: React, React Router, Tailwind CSS, Zod, class-variance-authority, tailwind-merge, Radix UI, sonner, React Hook Form, react-markdown, @hookform/resolvers, Headless UI, remark-gfm, react-helmet-async
- Only in UI-TARS-desktop: electron-store, OpenAI, Electron, idb-keyval, MongoDB, Hono, Express, lowdb, react-router-dom, Anthropic, Mistral AI, MCP, GitHub, jose, js-yaml, sharp, electron-log, electron-squirrel-startup, next-themes, Framer, medium-zoom, Lucide, fast-xml-parser, @clack/prompts, jimp, boxen, @hono/node-server, classnames, ansi-to-react, react-icons, zod-to-json-schema, monaco-editor, highlight.js, katex, rehype-highlight, rehype-katex, remark-github-blockquote-alert, remark-math, @emotion/styled, @nextui-org/react, MUI, @mui/icons-material, rehype-raw, LangChain, @tavily/core, turndown, turndown-plugin-gfm, @browserbasehq/stagehand, antd, pixi.js, pixi-filters, react-resizable-panels, Ant Design
- Only in hey.xyz: Vite, virtua, motion, @uidotdev/usehooks, react-easy-crop, plyr-react, react-hotkeys-hook, @heroicons/react, unified, unist-util-visit-parents, remark-parse, browser-image-compression, mdast-util-to-markdown, rehype-parse, rehype-remark, remark-breaks, remark-html, remark-stringify, strip-markdown

## Side by side

| | UI-TARS-desktop | hey.xyz |
|---|---|---|
| Size | 194,656 lines written, 1,137 code files | 51,267 lines written, 483 code files |
| Who writes it | 0.1% of its commits signed by AI. With Claude Code | 0.2% of its commits signed by AI. With GitHub Copilot and Claude Code |
| Activity | Last push October 9, 2026, 1,113 commits, 39,566 stars | Last push September 6, 2026, 2,001 commits, 29,347 stars |
| Tests | 161 test files. 10.9% of its code files have a test that imports them | 0 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-TARS-desktop or hey.xyz?

UI-TARS-desktop, with 194,656 lines written; hey.xyz has 51,267.

The proof: [bytedance/UI-TARS-desktop's code at commit 3ac2cb8](https://github.com/bytedance/UI-TARS-desktop/tree/3ac2cb8d946d78d5ff92ad17b318eaafa18c178c)

### Which has more GitHub stars, UI-TARS-desktop or hey.xyz?

UI-TARS-desktop, with 39,566 stars; hey.xyz has 29,347.

The proof: [bytedance/UI-TARS-desktop on GitHub](https://github.com/bytedance/UI-TARS-desktop)

### Which has more tests, UI-TARS-desktop or hey.xyz?

UI-TARS-desktop, with 161 test files.

The proof: [bytedance/UI-TARS-desktop's code at commit 3ac2cb8](https://github.com/bytedance/UI-TARS-desktop/tree/3ac2cb8d946d78d5ff92ad17b318eaafa18c178c)

### Which was updated more recently, UI-TARS-desktop or hey.xyz?

UI-TARS-desktop: its last push was on October 9, 2026, and hey.xyz's on September 6, 2026.

The proof: [bytedance/UI-TARS-desktop's commits on GitHub](https://github.com/bytedance/UI-TARS-desktop/commits)

### Which has more commits signed by AI, UI-TARS-desktop or hey.xyz?

hey.xyz: an AI signed 0.2% of its commits, with GitHub Copilot and Claude Code; in UI-TARS-desktop, 0.1%.

## Sources

- bytedance/UI-TARS-desktop: Read on November 7, 2026, at commit 3ac2cb8 (https://github.com/bytedance/UI-TARS-desktop/tree/3ac2cb8d946d78d5ff92ad17b318eaafa18c178c)
- slymnoyann/hey.xyz: Read on November 8, 2026, at commit 44dee0c (https://github.com/slymnoyann/hey.xyz/tree/44dee0c1223b9202699915fd3e92e670fd8e34e6)

## 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.