Handshake AI, the training-data and model-evaluation arm of the Handshake recruitment platform, reached approximately $950 million in gross annualized revenue by April 2026. The segment accounts for nearly 86% of the group’s total gross annualized revenue, estimated at $1.1 billion, representing a 349% year-over-year increase. The company draws on a network of more than 18 million advanced students, including over 500,000 PhDs, to provide frontier laboratories with training data and model evaluations. Experts earn between $100 and $125 per hour, while contractors receive 60% to 70% of gross revenue, putting estimated annual net revenue at $300 million to $450 million. Handshake also acquired Cleanlab to strengthen its data-quality and auditing capabilities.
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