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Exa AI

Freemium

Neural semantic search API for AI agents and developers building research tools

About

Exa is a search API for AI agents and developers. It uses neural embeddings to find semantically similar content rather than keyword matches. The Websets feature builds structured datasets from the web. Many research agents use Exa as their backend.

Key Features

  • Neural similarity search
  • Websets structured extraction
  • Full-text content retrieval
  • Date-filtered search
  • API-first

Pros

  • More relevant than keyword search
  • Developer-friendly API

Cons

  • API only โ€” no end-user interface

Pricing

Freemium

Free tier / usage-based from $0.001/query

Categories

ResearchCoding

Details

VerifiedJune 5, 2026