Sources: AI training data startup Micro1 raised $100M+ at a $4B valuation, up from $500M in September 2025; two frontier AI labs and xAI co-founders invested (Anna Tong/Forbes)
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Anna Tong / Forbes : Sources: AI training data startup Micro1 raised $100M+ at a $4B valuation, up from $500M in September 2025; two frontier AI labs and xAI co-founders invested At the beginning of last year, Ali Ansari's company, Micro1, was a recruiting business with $7 million in ARR.
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