Free ai research & search AI tools

AI Research & Search tools you can use without paying: a free plan, a free product or an open-source license. Limits of free plans are in each pricing table.

All AI Research & Search tools →

ChatPDF
AI Research & Search
FreemiumVerified
Chat with PDFs and other documents, get summaries and cited answers
Custom (contact sales)Free plan
Visit site of ChatPDF (official site, opens in a new tab)
Consensus
AI Research & Search
FreemiumVerified
AI search and analysis of peer-reviewed papers for researchers, students and clinicians
Custom (contact sales)Free plan
Visit site of Consensus (official site, opens in a new tab)
Elicit
AI Research & Search
FreemiumVerified
AI research assistant that searches papers and trials and writes cited reports
Custom (contact sales)Free plan
Visit site of Elicit (official site, opens in a new tab)
SciSummary
AI Research & Search
FreemiumVerified
AI summaries of scientific papers for researchers and students, with a paper library
Custom (contact sales)Free plan
Visit site of SciSummary (partner link, opens in a new tab)
Exa
AI Research & Search
Prices not verified
Search, contents and research API giving AI agents real-time web data
Not yet verified
Prices not verifiedFree plan
Visit site of Exa (official site, opens in a new tab)
Humata
AI Research & Search
Prices not verified
AI that answers questions about your uploaded documents, with citations
Not yet verified
Prices not verifiedFree plan
Visit site of Humata (official site, opens in a new tab)
You.com
AI Research & Search
Prices not verified
Search, research and open-weight model APIs for AI apps and agents, priced per call
Not yet verified
Prices not verifiedFree plan
Visit site of You.com (official site, opens in a new tab)

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ChatPDF

Consensus

Elicit

SciSummary

Exa

Humata

You.com