Exa Labs Raises $250M at $2.2B Valuation — AI Search Infrastructure Reaches Unicorn Status

Bloomberg·high signal

Exa Labs, the Andreessen Horowitz-backed AI search startup, raised $250 million at a $2.2 billion valuation. Exa builds web-search infrastructure purpose-built for AI agents, part of a broader wave of AI infrastructure companies reaching unicorn status. The round signals that the 'picks and shovels' layer beneath AI applications remains the hottest investment category in May 2026.