# UI-TARS Desktop (ByteDance)

Open-source multimodal agent stack that controls desktop and browser from screenshots. UI-TARS Desktop (ByteDance) is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** macOS, Windows, CLI, Self-hosted
- **Works in browser:** No

## Capabilities

- Open-source multimodal agent stack that controls desktop and browser from screenshots
- Agent TARS CLI and desktop app with MCP support
- Runs with UI-TARS models or other vision LLMs
- Local operator mode keeps data on device

## FAQ

### What is UI-TARS Desktop (ByteDance)?

UI-TARS Desktop (ByteDance) is listed under Browser & Computer-Use Agents, in the AI Agents & Automation category on Flocci AI Tools. Open-source multimodal agent stack that controls desktop and browser from screenshots. It is free, with no paid plan attached, and it lives at github.com.

### Is UI-TARS Desktop (ByteDance) free?

UI-TARS Desktop (ByteDance) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use UI-TARS Desktop (ByteDance) in a browser, or is there an app?

UI-TARS Desktop (ByteDance) needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on Mac, Windows, the command line and self-hosting.

### What can UI-TARS Desktop (ByteDance) do?

UI-TARS Desktop (ByteDance) does 4 things the catalog singles out: Open-source multimodal agent stack that controls desktop and browser from screenshots; agent tars cli and desktop app with mcp support; runs with ui-tars models or other vision llms; local operator mode keeps data on device.

### What is the best free alternative to UI-TARS Desktop (ByteDance)?

Alibaba Page Agent is the closest free alternative: it sits in the same Browser & Computer-Use Agents sub-category and is free. Amazon Nova Act SDK, BrowserOS and MagenticLite also start free. The full list is on the alternatives page.

## Related

- [UI-TARS Desktop (ByteDance) alternatives](https://aitools.flocci.in/alternatives/ui-tars-desktop-bytedance)
- [Browser & Computer-Use Agents](https://aitools.flocci.in/category/ai-agents-automation/browser-computer-use-agents)
- [Best free browser and computer-use AI agents](https://aitools.flocci.in/best/best-browser-computer-use-agents)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/ui-tars-desktop-bytedance

Facts last verified: October 2026