The three-year-old startup Micro1 has raised a $35 million Series A funding round, pushing its valuation to $500 million. The round was led by 01 Advisors, the venture capital firm co-founded by former Twitter executives Dick Costolo and Adam Bain.
Filling the gap left by Scale AI
After Meta’s $14 billion investment into Scale AI and the company’s CEO moving over, labs like OpenAI and Google scaled back their partnerships. This created an opening in the market — one that Micro1 quickly stepped into. Today, the startup is already working with Microsoft and several Fortune 100 companies.
According to founder and CEO Ali Ansari (just 24 years old), Micro1’s annual recurring revenue (ARR) has skyrocketed from $7 million at the beginning of 2025 to $50 million today.
Growth against larger competitors
Major players still dominate the space:
- Mercor — $450M ARR
- Surge — $1.2B revenue in 2024
While Micro1 has some catching up to do, its rapid growth highlights its rising importance among AI labs.
High-quality data through expert talent
Unlike Scale AI, which initially relied on low-cost global contractors, Micro1 focuses on highly skilled professionals to deliver premium-quality data. To scale this, the company built Zara, an AI recruiter that interviews and vets candidates for projects.
Zara has already recruited thousands of experts — including Stanford and Harvard professors — and Micro1 plans to onboard hundreds more every week.
The next frontier: virtual environments
AI labs are increasingly looking not just for labeled datasets, but for virtual environments to train AI agents on simulated tasks. Micro1 is now expanding into this space, positioning itself at the forefront of this new wave of demand.
Strategic impact of the funding
As part of the new round, Adam Bain has joined Micro1’s board of directors, alongside Joshua Browder, founder of DoNotPay.
Bain told TechCrunch:
“The only way models are learning today is through new human data. Micro1 is at the core of providing that data to frontier labs — and they’re moving at a pace I’ve never seen before.”
In just a short time, Micro1 has established itself as a reliable partner for AI data services. With its focus on high-quality expert labeling and expansion into virtual environments, the startup has the potential to become one of the industry’s leading players.
