GPTZero, the three-year-old AI detection startup that Princeton grad Edward Tian first constructed as a senior thesis challenge, has been acquired by Superhuman, the businesses announced on Tuesday.
Phrases of the deal weren’t disclosed, although Tian told Business Insider that GPTZero amassed greater than 19 million registered customers and $30 million in annual recurring income.
In 2024, Tian informed TechCrunch that it was worthwhile. Tian and co-founder CTO Alex Cui, who’d been mates since highschool, raised a $3.5 million seed spherical led by Uncork Capital, adopted by a $10 million Sequence A in June 2024 led by Footwork co-founder Nikhil Basu Trivedi, with a number of different notable traders together with Attain Capital, Jack Altman’s Alt Capital, and Neo. All informed, the corporate raised simply $13.5 million.
Superhuman — the corporate fashioned when Grammarly purchased electronic mail supplier Superhuman final yr and rebranded underneath that identify — already had an AI detection software constructed into its platform. GPTZero’s mission has been to assist people detect and defend in opposition to AI slop. Grammarly’s software has been designed to assist customers, usually college students, decide whether or not their writing seems AI-generated, then revise it so it doesn’t. As for why Superhuman purchased a competitor, Superhuman says that “two AI detectors are higher than one.”
