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Exa
Efficiency Gains
Overview
An AI search engine designed to help LLMs find and understand information on the web. It uses neural search to provide high-quality, structured data that is perfect for agentic workflows.
Exa (formerly Metaphor) is a neural search API built for LLMs and agents, returning high-quality, structured web results rather than a ranked list of blue links. It powers RAG systems and autonomous research tools that need clean, relevant content. It targets developers building AI that searches the web.
Key Features
- Neural search API for LLMs
- Structured, high-signal results
- Content retrieval and highlights
- Built for RAG and agents
- Semantic, meaning-based search
Best For
Developers building RAG systems and research agents that query the web.
Pros & Cons
Pros
- High-quality, structured results
- Purpose-built for AI consumption
- Strong for agentic research
Cons
- Developer/API product, not a UI
- Usage-based costs
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Pulse Verdict
“The web-index for AI agents. Exa (formerly Metaphor) is the silent engine behind many of the most intelligent RAG systems and autonomous research tools.”
Pricing
Usage-based API pricing with a free tier.
Pricing changes often — confirm current plans on the official site.