AI data/expert network company Mercor has completed a $750 million Series D financing, with a valuation reaching $20 billion

According to official news, the AI data/expert network company Mercor announced the completion of a $750 million Series D financing round, with a valuation reaching $20 billion, doubling from $10 billion in October 2025. The investors in this round include Benchmark, Felicis, Fundomo, funds under Apollo, G Squared, General Catalyst, GladeBrook Capital, Nvidia, Salesforce, Sapphire Ventures, StepStone VC, XTX Ventures, and Zoom.

Mercor is an AI data/expert network company founded in 2023 in San Francisco, initially focused on an AI recruitment platform, and later shifted to providing high-quality human experts for cutting-edge AI laboratories (such as OpenAI) for model fine-tuning, evaluation, RLHF, and more. The experts include professionals such as doctors, lawyers, and engineers, and are paid by the hour.