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UI-TARS Desktop vs Cua: catalog facts
UI-TARS Desktop	Cua
Free Free and open source; model hosting or API costs may apply.	Free The open-source project is free to use.
Windows, macOS	Self-hosted, Command line
Controls the desktop through visual understanding of the screen Open source with an active, widely followed repository	Sandboxed virtual machines keep agents away from your own desktop Supports fleets across several operating systems
Needs access to a capable vision model Giving an agent control of your computer carries risk	Aimed at developers, not end users Requires your own AI model access and setup work
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.