Compare software

PubMed vs CORE: catalog facts
PubMed	CORE
Free Free to use, run by a US government agency.	Free Searching is free; CORE is a not-for-profit service with additional offerings for…
Web	Web
Over 40 million biomedical citations in one place Advanced search, clinical queries and MeSH browsing	Very large collection of open access papers Full text as well as metadata
Mostly citations and abstracts; full text depends on PubMed Central or publishers Limited to biomedical and life-sciences subjects	Limited to open access content Search only; no AI summaries described in the research
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 26, 2026

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