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Simular vs UI-TARS Desktop: catalog facts
Simular	UI-TARS Desktop
Freemium The homepage does not state pricing details.	Free Free and open source; model hosting or API costs may apply.
macOS	Windows, macOS
Controls native desktop applications, not only the browser Backed by published research, including the Agent S framework	Controls the desktop through visual understanding of the screen Open source with an active, widely followed repository
Windows support was announced but not confirmed in the research Pricing is not stated on the homepage	Needs access to a capable vision model Giving an agent control of your computer carries risk
Downloadable app, Hosted service	Downloadable app
Closed 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 October 2, 2026	Official website Full listing and sources Checked September 26, 2026

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