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Scite vs PaperQA2: catalog facts
Scite	PaperQA2
Freemium Check the site for current plans and trial terms.	Free Free and open source under the Apache 2.0 licence; model API usage may cost extra.
Web, Browser extension	Command line
Shows whether later work supports or contradicts a finding Full-text search across licensed publisher content	Answers include citations to the source documents Fetches paper metadata with citation counts and retraction checks
Web service, needs an internet connection Plan details are not given on the homepage	Needs a language model, either through an API or run locally Setup and tuning assume comfort with Python
Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is 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 October 2, 2026

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