Key facts
- Mercor said it raised $750 million in a Series D round valuing the company at $20 billion.
- Benchmark, Felicis, Fundomo, Nvidia and Apollo-affiliated funds were among the round's investors, Mercor said.
- Mercor said the funding will help train and test AI agents on professional tasks.
- Mercor was valued at about $10 billion after a $350 million round in October 2025, per the report.
- Crunchbase put AI startup funding at $102 billion, 64% of global venture capital, in the third quarter of 2026.
Mercor said on November 10, 2026 that it raised $750 million in a Series D funding round that valued the AI training startup at $20 billion. The San Francisco-based company announced the round in a statement carried by Reuters.
Benchmark, Felicis, Fundomo, Nvidia and funds managed by affiliates of Apollo took part in the round, among other investors. Mercor said it will use the proceeds to train and test AI agents on professional tasks.
Mercor began as an AI-powered hiring platform and now connects technology companies with subject-matter experts whose knowledge is used to train, test and improve AI models and agents. The company is backed by Jack Dorsey and venture capitalist Peter Thiel.
Co-CEO Brendan Foody said: "Every job in the economy will need its own AI agents and every company will need a way to train and evaluate them on its own work."
The new valuation is double the roughly $10 billion Mercor carried after raising $350 million in October 2025. According to Crunchbase, AI-driven startups raised $102 billion, or 64% of global venture capital, in the third quarter of 2026.