First Search is a powerful search engine that specializes in indexing academic and research papers.
Best PubMed Alternatives ranked by AI · updated May 2025
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PubMed is a free search engine accessing primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics.
Price: Free
Top 6 PubMed alternatives
Iris AI is an AI-powered research assistant that helps researchers find relevant scientific papers efficiently.
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Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array...
PubMed comprises more than 32 million citations for biomedical literature from MEDLINE, life science journals, and online books.
5
Scopus is a bibliographic database containing abstracts and citations for academic journal articles.
Subscription based
Semantic Scholar is an AI-powered research tool that helps researchers discover relevant academic papers.
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