AfterQuery hits $3.2B valuation in 5 months
ai training-data startup afterquery valued at $3.2b after 10x increase in 5 months, y combinator's fastest-ever unicorn. this signals rapid growth in ai training data market.
afterquery, an ai training-data startup, has reportedly raised a round valuing it at $3.2 billion, a 10x increase in less than 5 months. the company's founders, 22 and 23 years old, attended y combinator's winter 2025 cohort. afterquery trains models and agents on how to work like professionals, encoding patterns, decisions, and reasoning of experts. the company has reached an annualized revenue run rate of $100 million and works with major labs like nvidia and motif technologies. this rapid growth makes afterquery y combinator's fastest-ever unicorn.