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Startups & Venture·November 10, 2026·1 min read

Mercor raises $750m at a $20bn valuation to train AI on every job

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A $750m Series D at a $20bn valuation for paying domain experts to train and test models says the market is willing to fund human-in-the-loop at industrial scale. If you're building vertical AI, assume your data and expert networks are now a competitive arena — not a side project.