AfterQuery Becomes YC's Fastest Unicorn at $3.2B for Expert-Sourced AI Training Data
Summary
Coding- and finance-focused training data vendor AfterQuery hit a $3.2B valuation, 10x its April mark of $300M, becoming YC's fastest company to reach unicorn status. Founded in Winter 2025 by Carlos Georgescu (22) and Spencer Mateega (23), it competes with Mercor selling expert-generated datasets to labs including OpenAI and Anthropic, and is profitable with ARR above $100M.
Originally reported by forbes.com
Read the original article →Original headline: AfterQuery Becomes YC's Fastest Unicorn at $3.2B for Expert-Sourced AI Training Data