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Semantic ScholarCORE
Free

Free to use in the browser.

 Free

Searching is free; CORE is a not-for-profit service with additional offerings for…

Web, Browser extension Web
  • Index of more than 238 million papers across all fields of science
  • Free to search without cost
  • Very large collection of open access papers
  • Full text as well as metadata
  • Semantic Reader is in beta and only available for select papers
  • Web only, with no offline use
  • Limited to open access content
  • Search only; no AI summaries described in the research
Web application, Browser extension Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Needs internet Needs internet

Checked September 23, 2026

Checked September 26, 2026

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