Handshake AI is the data-labeling business spun out of college-recruiting platform Handshake, leveraging the company's existing network of PhDs, graduates and postdocs to produce high-quality training data and RLHF feedback for frontier AI labs. Sacra estimates revenue scaled to ~$1.1B in 2026 (+349% YoY) at a $3.5B valuation set in 2025.

Company Profile

Founders & Key People

Investors

Products

• Expert-graded training datasets for frontier AI labs
• RLHF labeling marketplace built on Handshake's PhD/graduate network
• Reasoning and domain-specific evaluation environments

Competitors

AIData LabelingRLHFGig Marketplaces

Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q4. Refreshed quarterly.