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Connected Papers vs ResearchRabbit: catalog facts
Connected Papers	ResearchRabbit
Freemium Usable in the browser; check the site for current plan limits.	Free Free to sign up and use.
Web	Web
Visual graph of related papers instead of a plain result list Helps discover related work from a single starting paper	Finds related papers from a single seed paper Visual citation maps of how papers and authors connect
Web only, needs an internet connection Plan limits are not described on the homepage	Requires an account Web only, with no offline use
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 23, 2026

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