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UI-TARS Desktop vs Agent Zero: catalog facts
UI-TARS Desktop	Agent Zero
Free Free and open source; model hosting or API costs may apply.	Free Free to download and run; model API costs depend on the provider you use.
Windows, macOS	Self-hosted
Controls the desktop through visual understanding of the screen Open source with an active, widely followed repository	Runs on your own hardware in Docker Web interface for working with the agent
Needs access to a capable vision model Giving an agent control of your computer carries risk	Requires Docker and some technical setup An agent that runs code needs careful sandboxing
Downloadable app	Self-hosted
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.