VS

Exa vs Undermind

Exa: Search engine and API built for AI apps, returning clean web results and page content. Undermind: Deep academic search agent that reads many papers to find the ones that truly match your question. Here is how they compare on features, pricing, platforms, pros and cons.

Quick verdict

Exa

Best for: Developers building AI apps or agents that need live web results.

Stands out for: Results are easy for AI models to use; Good developer documentation.

Undermind

Best for: Researchers who need a thorough search for a specific, niche question.

Stands out for: Goes deeper than keyword search; Explains why each paper was chosen.

Side-by-side comparison

Comparison of Exa, Undermind
Exa
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Undermind
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What it isSearch engine and API built for AI apps, returning clean web results and page content.Deep academic search agent that reads many papers to find the ones that truly match your question.
Pricing
Free + PaidFree credits to start; pay as you go after
Free + Paid
Free to useYesYes
CategoryAI Search & ResearchAI Search & Research
Editor rank#7 in category#16 in category
Made byExa LabsUndermind
Best forDevelopers building AI apps or agents that need live web results.Researchers who need a thorough search for a specific, niche question.
Key features
  • Meaning-based web search API
  • Returns full page text and highlights
  • Filters by domain, date and content type
  • Research endpoint for deeper answers
  • Takes long, detailed research questions
  • Reads and ranks papers for relevance
  • Report with explanations for each result
  • Estimates how complete the search is
Pros
  • Results are easy for AI models to use
  • Good developer documentation
  • Goes deeper than keyword search
  • Explains why each paper was chosen
Cons
  • Mainly aimed at developers rather than casual users
  • Searches take longer than a normal search engine
  • Free searches are limited
Use it to
  • Give a chatbot access to current web pages
  • Find companies or papers matching a description
  • Feed clean page text into an AI pipeline
  • Find every paper on a narrow method
  • Check if an idea has already been studied
  • Start a systematic reading list
Web app
API

Exa vs Undermind: questions

Is Exa better than Undermind?

Neither wins for everyone. Our editors rank Exa slightly higher overall in AI Search & Research, but Undermind can be the better fit: Researchers who need a thorough search for a specific, niche question.

Which is free, Exa or Undermind?

Both can be used without paying: Exa is free + paid and Undermind is free + paid. Paid plans add more usage or features.

Can I use Exa and Undermind together?

Yes. Many people keep both and pick per task, for example give a chatbot access to current web pages with Exa, and find every paper on a narrow method with Undermind.

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