FUNDING· Jun 23, 2026Superhuman Acquires AI-Detection Startup GPTZero, Maker of a $30M-ARR 'AI Slop' Filter
FUNDINGAcquisitionSuperhuman Acquires AI-Detection Startup GPTZero, Maker of a $30M-ARR 'AI Slop' FilterSuperhuman -- the email client now owned by Grammarly -- has acquired GPTZero, the AI-detection startup founded by Princeton grad Edward Tian. GPTZero, which reached 19 million registered users and ~$30 million in ARR helping identify AI-generated text, gives Superhuman a second AI-authenticity engine as the internet drowns in machine-written content.Jun 23, 2026
