Series B · AI

micro1 Series B tops $100 million at a $4 billion valuation

Dream Ventures led the AI data company’s Series B; micro1 also arranged a separate employee share tender.

Forbes reported on September 22 that micro1 had raised more than $100 million at a $4 billion valuation. The company subsequently confirmed the Series B in an October update, naming Dream Ventures as lead investor.

Microsoft, Javelin, Flybridge, G Squared, UP Partners and LG also participated, according to micro1. The company separately described an approximately $25 million employee share tender.

micro1 supplies specialist human data and simulated work environments to AI developers, with products for model evaluation, agent training and robotics demonstrations.

Funding history

Series B · This round>$100M

Sources

  1. micro1 end of Q3 updatemicro1.ai · Oct 12, 2026
  2. Micro1 raises more than $100 millionforbes.com · Sep 22, 2026
  3. micro1.ai