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Semantic Scholar vs ResearchRabbit: catalog facts
Semantic Scholar	ResearchRabbit
Free Free to use in the browser.	Free Free to sign up and use.
Web, Browser extension	Web
Index of more than 238 million papers across all fields of science Free to search without cost	Finds related papers from a single seed paper Visual citation maps of how papers and authors connect
Semantic Reader is in beta and only available for select papers Web only, with no offline use	Requires an account Web only, with no offline use
Web application, Browser extension	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.