Mercor, a San Francisco-based startup revolutionizing AI training by connecting labs with domain experts, has achieved a staggering $10 billion valuation after securing $350 million in a Series C funding round.
This milestone, reported by TechCrunch on October 27, 2025, marks a quintupling of its valuation from just eight months ago, when it was valued at $2 billion during its Series B round.
Mercor's Rapid Rise in the AI Ecosystem
Founded in 2023 by three 21-year-old Thiel Fellows—Brendan Foody, Adarsh Hiremath, and Surya Midha—Mercor has quickly positioned itself as a critical player in the AI industry.
The company’s innovative platform addresses a pressing need for high-quality data labeling and expert input to train foundational AI models for giants like OpenAI and Meta.
Felicis Ventures led this latest funding round, with participation from prominent investors such as Benchmark, General Catalyst, and Robinhood Ventures, signaling strong confidence in Mercor’s growth trajectory.
Impact on the AI Training Landscape
The surge in Mercor’s valuation reflects the booming demand for specialized talent and data services as AI technologies continue to evolve at breakneck speed.
This funding round comes amidst intense competition in the data-labeling sector, with Mercor embroiled in litigation with rival Scale AI, highlighting the high stakes in this niche but vital market.
Historical Context and Future Prospects
Just earlier this year, Mercor raised $100 million in its Series B at a $2 billion valuation, showcasing its ability to attract significant capital in a short timeframe.
Looking ahead, the $350 million injection is expected to fuel Mercor’s expansion, potentially enhancing its platform to manage even larger pools of contractors—currently at 30,000—and further refine its AI-driven talent-matching algorithms.
The company’s success also underscores broader trends in the AI economy, where efficient talent allocation could determine the winners in the race to build smarter, more capable models.
As Mercor continues to scale, industry observers are keen to see how it navigates competitive pressures and legal challenges while shaping the future of labor markets in the age of AI.