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Gemini Notebook vs Kotaemon: catalog facts
Gemini Notebook	Kotaemon
Freemium Requires a Google account; check Google's site for current plan limits.	Free Free and open source.
Web	Web, Self-hosted
Works from sources you upload Summaries and Q&A across several documents	Chat with your own documents through a web interface Works with local or hosted language models
Requires a Google account Web only, documents are processed by Google	Needs a server or local setup rather than a simple installer Answer quality depends on the model you connect
Web application	Self-hosted
Closed source	Open source
License not stated	License not stated
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 23, 2026

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