Grammarly has signed a deal to acquire email efficiency tool Superhuman as part of the company's push to build an artificial intelligence-powered productivity suite and diversify its business, its executives told Reuters in an interview.

Superhuman is being acquired by @Grammarly! 💜💚 Together, we will build the AI-native productivity suite of choice 🥇 We will invest even more deeply in AI and email, reimagine chat and collaboration, and build AI agents that unlock a whole new way of working. More below 👇 https://t.co/NRqO7WCekC — rahulvohra (@rahulvohra) July 1, 2025

Grammarly, the company behind the popular grammar enforcement app of the same name, has acquired the AI-powered Superhuman app as part of its push to build out its business productivity offerings, the company said in a press release today.