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TimothyDavis
TimothyDavis
September 12, 2025

AI training data startup Micro1 raises $35M Series A at $500M valuation led by O1 Advisors. The firm helps AI labs like Microsoft source high-quality contractors for data labeling, growing ARR to $50M amid competition. Former Twitter COO Adam Bain joins its board as demand shifts toward expert-level labeling and virtual training environments.

AI training data startup Micro1 raises $35M Series A at $500M valuation led by O1 Advisors. The firm helps AI labs like Microsoft source high-quality contractors for data labeling, growing ARR to $50M amid competition. Former Twitter COO Adam Bain joins its board as demand shifts toward expert-level labeling and virtual training environments.
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