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Gemini Notebook vs Open Notebook: catalog facts
Gemini Notebook	Open Notebook
Freemium Requires a Google account; check Google's site for current plan limits.	Free Free and open source under the MIT license.
Web	Web, Self-hosted
Works from sources you upload Summaries and Q&A across several documents	Privacy-focused self-hosted alternative to a well-known proprietary tool MIT licensed with an active Discord community
Requires a Google account Web only, documents are processed by Google	Local processing still depends on which model provider is configured Smaller community than the proprietary product it alternatives
Web application	Self-hosted, Web application
Closed source	Open source
License not stated	License: MIT
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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