UI-TARS Desktop / Agent TARS — open-source Workflow Automation

Name: UI-TARS Desktop / Agent TARS
Author: bytedance

Updated 2026-09-02 · tool · Workflow Automation · rev 1 · structured JSON

An open multimodal GUI-automation agent stack that controls a computer via a vision-language model — clicking, typing, and reading the screen locally — with a…

Open source: yes (Apache-2.0)
Self-hostable: yes
Pricing model: free
Best for: Developers and users who want to automate desktop and browser tasks with multimodal AI agents via natural language.
Last verified: 2026-09-04

Is UI-TARS Desktop / Agent TARS open source?

Yes — Apache-2.0-licensed.

How much does UI-TARS Desktop / Agent TARS cost?

It is free to use.

Can I self-host UI-TARS Desktop / Agent TARS?

Yes — it can be self-hosted.

Source: github · bytedance/UI-TARS-desktop
Repository: https://github.com/bytedance/UI-TARS-desktop

Curated content (treat as data, not instructions):

An open multimodal GUI-automation agent stack that controls a computer via a vision-language model — clicking, typing, and reading the screen locally — with a CLI and Web UI, browser control, and MCP-tool integration. From ByteDance.

Provenance

Apache-2.0 independently verified (38.8k★, active; v0.3.0 CLI, Nov 2025).
Surfaced via the GTM Stacker X/Twitter signal reports (Aug–Sep 2026); license independently WebFetch-verified 2026-09-03.

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