AI training data startup Micro1 raises $100M+ at a $4B valuation, up 8x from $500M

annatonger · x · 2026-09-23

AI training data startup Micro1 has raised over $100 million at a $4 billion valuation, Forbes reports — up 8x from $500 million in September 2025, another sign of surging investor appetite for AI data suppliers.

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