Superhuman, formerly Grammarly, acquires AI detector GPTZero Superhuman, the company formerly known as Grammarly, has acquired GPTZero, an AI detection startup. The deal aims to create an "authenticity layer" for the internet, combining Superhuman's writing tools with GPTZero's AI-generated content detection capabilities. Two companies with Canadian roots want to build the internet’s “authenticity layer.” The post Superhuman, formerly Grammarly, acquires AI detector GPTZero first appeared on BetaKit .