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Page Assist vs BrowserOS: catalog facts
Page Assist	BrowserOS
Free Free and open source.	Free Free and open source.
Browser extension	Windows, macOS, Linux
Sidebar for chatting alongside any web page Works with locally running models such as Ollama	Built-in AI agents that act on web pages Can use local models instead of a cloud service
Needs a separate local model server to be useful	Agent features are new and still changing quickly Local models need capable hardware to run well
Browser extension	Downloadable app
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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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