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AI data startup Micro1 reaches $500M gross run rate amid AI training boom
Data labeling economics are booming again as post-training and RLHF pipelines scale, and a $500M run rate from a single vendor shows how much money is flowing into the unglamorous middle layer of the AI stack. For investors, this is a signal that the data-labeling category still has room before commoditization, though margins in this space have historically compressed fast once incumbents scale.