How much was AfterQuery valued at in its last round?

AfterQuery was reportedly valued at $3.2 billion in its latest round, up from a $300 million valuation in April.

Who are AfterQuery's customers?

AfterQuery has named Nvidia, Legora, and the Korean AI lab Motif Technologies as customers.

What does AfterQuery do differently from other training-data startups?

Unlike startups like Mercor and Scale that ensure models answer accurately, AfterQuery trains models on how professionals complete tasks, encoding their patterns, decisions, and reasoning.

AI Business & IndustryTechCrunch AI3h agoSep 2, 2026, 10:00 JST2 min read

AfterQuery reportedly hits $3.2B valuation, YC's fastest unicorn

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Key takeaway

AfterQuery, an AI training-data startup, has reportedly raised a round at a $3.2 billion valuation.
This follows a $30 million Series A at $300 million in April.
YC's Gustaf Alströmer says it's the fastest unicorn in the accelerator's history.

3 Key Points

What happened
AI training-data startup AfterQuery has reportedly raised a round valuing it at $3.2 billion, just five months after its $30 million Series A at a $300 million valuation in April.
Why it matters
According to Y Combinator partner Gustaf Alströmer, this is the fastest any startup has gone from launch to unicorn status in the accelerator's history. The founders, aged 22 and 23, attended YC's Winter 2025 cohort 18 months ago.
What to watch
AfterQuery trains models and agents to work like professionals, counting Nvidia, Legora, and Korean AI lab Motif Technologies as customers. It reported a $100 million annualized revenue run rate in April.

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Context & Analysis

AfterQuery's rapid ascent highlights the growing value of specialized training data for AI models. The company's approach of encoding professional decision-making processes, rather than just factual accuracy, positions it distinctly in a market that includes Mercor and Scale. Its reported $100 million annualized revenue run rate in April, coupled with major clients like Nvidia, likely underpins the swift valuation increase. The 22- and 23-year-old founders' trajectory from YC's Winter 2025 cohort to a reported $3.2 billion valuation in 18 months underscores the intense investor appetite for startups that enhance AI's practical capabilities. This round, first reported by Forbes, suggests that investors are betting heavily on the niche of professional knowledge training as a key differentiator for AI systems.

FAQ

How much was AfterQuery valued at in its last round?: AfterQuery was reportedly valued at $3.2 billion in its latest round, up from a $300 million valuation in April.
Who are AfterQuery's customers?: AfterQuery has named Nvidia, Legora, and the Korean AI lab Motif Technologies as customers.
What does AfterQuery do differently from other training-data startups?: Unlike startups like Mercor and Scale that ensure models answer accurately, AfterQuery trains models on how professionals complete tasks, encoding their patterns, decisions, and reasoning.

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