TechCrunch reported that AfterQuery, an AI model-training startup, raised a round valuing the company at $3.2 billion. The round came five months after the firm announced its $30 million Series A at a $300 million valuation in April. The TechCrunch article states that AfterQuery has reportedly become Y Combinator's fastest-ever unicorn. The publication attributes the valuation figure to the recent funding round. No other details about investors or terms appear in the source post or linked article.