Twitter/X

ByteDance released UI-TARS Desktop and Agent TARS (announced 2026-06-24)

Brief

ByteDance unveiled UI-TARS Desktop and Agent TARS, a multimodal agent stack (vision-language model) that controls computers, browsers, and terminals via natural-language commands. Agent TARS (CLI + Web UI) integrates GUI vision, DOM/browser control, and MCP tools; browser agent supports GUI-only, DOM-based, or hybrid modes. It runs locally by default (remote operators optional) and demos booking flights, reserving hotels, GitHub issue summaries, and VS Code edits.

Why it matters

ByteDance released UI-TARS Desktop and Agent TARS (announced 2026-06-24): a fully multimodal agent stack—Agent TARS is a CLI + Web UI that combines GUI vision, browser control, and MCP tool integration; UI-TARS Desktop is a native app running a local or remote operator powered by a UI-TARS vision-language model.

Key details

  • The system already performs real tasks: booking flights on Priceline (example: 'earliest flight from San Jose to New York on September 1st'), reserving hotels on Booking.com within a specified budget, pulling live data and generating charts via MCP servers, checking/summarizing GitHub issues, and making precise VS Code configuration changes.
  • Cross-platform (Windows, macOS, Browser); the browser agent supports three modes—pure GUI vision, DOM-based, or hybrid; remote operators ship free with no configuration required; the stack runs locally by default and 'no data leaves your machine' unless you configure a remote operator (github.com/bytedance/UI-TARS).
Source evidence

ByteDance 🔥: China's giant AI player made a fully multimodal AI agent stack that controls your computer, browser, and terminal using natural language instructions.

It's called UI-TARS Desktop + Agent TARS.

It sees your screen, clicks buttons, fills forms, and completes multi-step tasks the same way a human operator would.

Here's what's actually inside:

→ Agent TARS: A CLI + Web UI agent combining GUI vision, browser control, and MCP tool integration
→ UI-TARS Desktop: A native desktop app running a local or remote computer operator powered by the UI-TARS vision-language model

Real tasks it can complete right now:

> Book flights on Priceline ("earliest flight from San Jose to New York on September 1st")
> Find and reserve hotels on Booking(dot)com within a specified budget
> Pull live data and generate charts via MCP servers
> Check GitHub issues and summarize them
> Open VS Code settings and make precise configuration changes

The browser agent runs in three modes:

  1. Pure GUI vision,
  2. DOM-based, or
  3. A hybrid of both.

Remote operators ship free with no configuration required.

Click to remotely control any computer or browser and the agent handles the rest.

Cross-platform: Windows, macOS, Browser.

The whole stack runs locally. No data leaves your machine unless you configure a remote operator.

github.com/bytedance/UI-TARS…

Video