Fundraise
Exa raises $250M Series C led by Andreessen Horowitz
Infrastructure to handle hundreds of thousands of searches per second, next-generation model training, talent acquisition including former Meta and Google engineers
- From
- Andreessen Horowitz (a16z)
- To
- Exa Labs
- Amount
- $250M
- Announced
- Structure
- Series C priced round at $2.2B valuation; led by Andreessen Horowitz
Why it matters
Exa builds a search engine tailored for AI agents, not humans. The company's API powers search for Cursor, Cognition, HubSpot, OpenRouter, Monday.com, and over 400,000 developers. The thesis: as AI agents proliferate, they will search the web 1000x more than humans do, requiring a search infrastructure designed for agent-scale retrieval.
The round reflects investor conviction that AI-native search is a foundational layer for the agent economy. Exa crawls over 500 billion URLs and has built its own vector database to handle high query volumes—infrastructure that wrappers around existing search engines cannot match.