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Gemini Notebook vs Petal: catalog facts
Gemini Notebook	Petal
Freemium Requires a Google account; check Google's site for current plan limits.	Freemium Free to start, with paid options for more use.
Web	Web
Works from sources you upload Summaries and Q&A across several documents	Answers cite the source documents Document storage with automatic metadata extraction
Requires a Google account Web only, documents are processed by Google	Documents are stored in Petal's cloud Requires an account
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
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.