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Lumos vs BrowserOS: catalog facts
Lumos	BrowserOS
Free Free to use; requires a local Ollama installation.	Free Free and open source.
Browser extension	Windows, macOS, Linux
Page summaries and Q&A with local models No data sent to a cloud AI service	Built-in AI agents that act on web pages Can use local models instead of a cloud service
Needs Ollama running on your computer No new release since December 2024	Agent features are new and still changing quickly Local models need capable hardware to run well
Browser extension	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
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 24, 2026

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