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BASE (Bielefeld Academic Search Engine) vs Consensus: catalog facts
BASE (Bielefeld Academic Search Engine)	Consensus
Free Free to search in the browser.	Freemium Check the site for current free and paid plans.
Web	Web
Focused on open-access academic content Draws on thousands of institutional repositories	Searches peer-reviewed literature rather than the open web Answers backed by scientific papers
Anti-scraper check requires modern JavaScript and can slow page loads Covers repository content, so some paywalled literature will be missing	Web only, needs an internet connection Plan details are not given on the homepage
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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