Exa

Exa is an applied AI research lab based in San Francisco, founded in 2021. The company specializes in developing a neural search engine and API tailored for artificial intelligence models and large language models (LLMs). Exa aims to transform web search by providing high-quality, semantically relevant, and structured data optimized for AI, moving away from traditional keyword matching and ad-driven models.

Exa offers two main products: Exa Search, a search API that processes natural language queries and delivers token-efficient results with citations, and Exa Agent, a web agent that synthesizes information for complex workflows like deep research and data enrichment. The company employs end-to-end neural networks and embedding-based retrieval to enhance the semantic understanding of queries. Exa's services are utilized by various technology companies and over 400,000 developers, focusing on developers and custom AI applications.