Exa, a San Francisco, CA-based search engine company, has raised $250 million in Series C funding at a $2.2 billion valuation.
Investors
Led by Andreessen Horowitz (a16z), a venture capital firm that backs bold entrepreneurs shaping the future through technology. Founded in 2009, the firm manages multiple funds across stages, sectors, and geographies. With more than $90 billion in assets under management, a16z invests in seed- to growth-stage companies across AI, bio + healthcare, consumer, crypto, enterprise, fintech, gaming, infrastructure, and companies advancing American dynamism.
Exa Use of Funds
The company will use the funding to train next-generation search and retrieval models, expand infrastructure capacity to support hundreds of thousands of searches per second, and scale its global go-to-market operations.
About Exa
Exa is an AI research lab building AI-native search engine tailored for artificial intelligence applications. The company offers products including a developer Search API, web crawling and content extraction tools, and deep research infrastructure for AI systems. Headquartered in San Francisco, California, Exa serves more than 5,000 companies and over 400,000 developers worldwide. Customers include major AI companies such as Cursor and Cognition, along with enterprise platforms like HubSpot and monday.com.
Funding Details
Company: Exa Labs, Inc.
Raised: $250.0M
Round: Series C
Funding Date: May 2026
Lead Investor: Andreessen Horowitz
Additional Investors:
Company Website: https://exa.ai/
Software Category: AI Infrastructure / Search AI / Developer Tools
Source: https://exa.ai/blog/announcing-series-c