Micro1
Vetted domain experts for AI training data and evals
Micro1 provides vetted human experts (PhDs, senior engineers) to AI labs for model training data, evaluations, and RL-related human data work, positioning itself as a Scale AI challenger. It crossed $100M annualized revenue in 2025 with clients including Microsoft.
Fielded offers at $2.5B valuation by Dec 2025 per Forbes
| Website | micro1.ai |
|---|---|
| Domains | Data Labeling, Multi-Domain, RLHF |
| Location | Los Angeles |
| Team size | 101-250 |
| Founded | 2022 |
| Funding | Series A, $35M at $500M valuation (Sept 2025) |
| Founders | Ali Ansari |
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