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Gemini Notebook vs SurfSense: catalog facts
Gemini Notebook	SurfSense
Freemium Requires a Google account; check Google's site for current plan limits.	Free Free and open source to self-host.
Web	Web, Self-hosted
Works from sources you upload Summaries and Q&A across several documents	Can run air-gapped with your data kept private Answers questions over your own documents and connected sources
Requires a Google account Web only, documents are processed by Google	Requires setting up and maintaining your own server Fast pace of change can mean frequent updates
Web application	Self-hosted
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 26, 2026

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