Perplexity
by Perplexity AIAnswer engine that cites its sources, with deep research.
Exa
Web search engine built for AIs and developers (API).
- Publisher
- Exa Labs
- Pricing
- Paid
- Category
- Search & research
- Country of origin
- United States
- Official website
- exa.ai
Features
Exa is paid (a trial is sometimes available).
Visit ExaUpdated on October 31, 2026
Alternatives to Exa
Freemium
Consensus
by ConsensusAnswers grounded in published scientific research.
Semantic Scholar
by Allen Institute for AIFree scientific search engine with automatic TL;DRs.
You.com
by You.comAI search and research agents for professionals.
Kagi
by KagiAd-free search engine with a multi-model AI assistant.
Felo
by FeloMultilingual AI search that also creates slides and mind maps.
Frequently asked questions
What is Exa?
Exa (Exa Labs) : Web search engine built for AIs and developers (API).
Is Exa free?
Exa is paid (a trial is sometimes available).
What are the alternatives to Exa?
Perplexity, Consensus, Semantic Scholar, You.com, Kagi, Felo.