Superhuman acquires AI detection startup GPTZero

In Brief

GPTZero, the three-year-old AI detection startup that Princeton grad Edward Tian archetypal built arsenic a elder thesis project, has been acquired by Superhuman, the companies announced connected Tuesday.

Terms of the woody were not disclosed, though Tian told Business Insider that GPTZero amassed much than 19 cardinal registered users and $30 cardinal successful yearly recurring revenue.

In 2024, Tian told TechCrunch that it was profitable. Tian and co-founder CTO Alex Cui, who’d been friends since precocious school, raised a $3.5 cardinal effect circular led by Uncork Capital, followed by a $10 cardinal Series A successful June 2024 led by Footwork co-founder Nikhil Basu Trivedi, with respective different notable investors including Reach Capital, Jack Altman’s Alt Capital, and Neo. All told, the institution raised conscionable $13.5 million.

Superhuman — the institution formed erstwhile Grammarly bought email provider Superhuman past twelvemonth and rebranded nether that sanction — already had an AI detection instrumentality built into its platform. GPTZero’s ngo has been to assistance humans observe and support against AI slop. Grammarly’s instrumentality has been to assistance users, often students, find whether their penning appears AI-generated, past revise it truthful it doesn’t. As for wherefore Superhuman bought a competitor, Superhuman says that “two AI detectors are amended than one.”

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