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UI-TARS Desktop

ByteDance's open-source desktop app (part of the TARS stack with Agent TARS CLI) running a GUI agent on UI-TARS models.

  • ByteDance
  • Local or cloud
  • Free, open source

Official site · Source code

Where it ranks

Tools without a benchmark of their own inherit the tier of the best model they offer.

Facts

Vendor
ByteDance
Approach
Agent frameworks
Where it runs
Runs fully on your hardware with local models; cloud models optional
Interface
Desktop app, Command line
Skill level
Intermediate: some setup or configuration
Price
Free, open source
Pricing notes
Free and open source; local and remote computer/browser operators (remote operators offered free since v0.2.0).
Source code
Open source (Apache-2.0)
GitHub stars
39.3k (18 Oct 2026)
Last verified
18 Oct 2026

Price from github.com, 18 Oct 2026.

Models it gives you

Sources