TOOLS
Exa
Embedding-based semantic search API for AI products
SearchFreemiumLLM-drafted
Part of this entry was LLM-drafted and is being polished.
Exa is a search API that uses embeddings to find content semantically similar to a query — finds 'companies like Stripe' or 'papers similar to this one' rather than keyword matches. Used as the search backbone in many AI agent products.
Editor's verdict
Right pick for builders — semantic search is qualitatively different from Google API. Excellent for 'find me X-like things' queries. For factual / news search, classical search APIs (Tavily, Brave) work better. The two paradigms complement, not substitute.
Use cases
- embedding-based web search api
- agent search backbone
- find similar content
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Last updated: 2026-04-29