Superhuman bets on trust as it buys AI detection startup GPTZero for its 19 million users and $30M ARR
Superhuman acquired GPTZero on June 23, the AI detection platform built by Princeton grad Edward Tian that grew to 19 million users and $30M ARR. The deal folds GPTZero's hallucination detection, plagiarism analysis, and authorship verification into Superhuman Go, a cross-app AI assistant, creating what the company calls an authenticity layer for written content. The move signals that AI verification infrastructure is becoming a baseline expectation for enterprise productivity tools, not a niche