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BrowserOS vs Tabbit: catalog facts
BrowserOS	Tabbit
Free Free and open source.	Freemium Free to download and try; paid plan details are not given on the homepage.
Windows, macOS, Linux	Windows, macOS
Built-in AI agents that act on web pages Can use local models instead of a cloud service	Agent mode for multi-step tasks in the browser Many AI models from different providers
Agent features are new and still changing quickly Local models need capable hardware to run well	Relies on cloud AI models No Linux version
Downloadable app	Downloadable app
Open source	Closed 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	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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