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Jenni AI vs Lex: catalog facts
Jenni AI	Lex
Freemium Free to start, with paid plans for heavier use.	Freemium You can start writing without paying; paid plan details are not shown on the homepage.
Web	Web
Citations linked back to the source for each claim Built-in library search with collections and PDF access	Clean, distraction-free writing interface AI feedback, rewriting and title suggestions in the editor
Hosted service only, with no offline use Full features need a paid plan	Web only, with no desktop app mentioned Track changes is not available yet
Web application	Web application
Closed source	Closed 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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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