Compare software

COREOpenAlex
Free

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

 Free

Free to search, analyze and reuse.

Web Web
  • Very large collection of open access papers
  • Full text as well as metadata
  • Covers about half a billion scholarly works
  • Web app, API and bulk download
  • Limited to open access content
  • Search only; no AI summaries described in the research
  • A search catalog rather than an AI reading assistant
  • Analysis beyond the web app needs API or data skills
Web application Web application, Hosted service
Closed source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 26, 2026

Checked October 1, 2026

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