AfterQuery reportedly becomes Y Combinator’s fastest-ever unicorn, now valued at $3.2B

AfterQuery, founded by 22- and 23-year-old alumni of Y Combinator’s Winter 2025 cohort, raised a new round valuing it at $3.2 billion, ten times its $300 million valuation five months earlier. The San Francisco startup reports a $100 million annualized revenue run rate and lists Nvidia, Legora and Korean AI lab Motif Technologies as customers, using its technology to encode professional decision-making patterns into models.