In the last few months, Superhuman has released AI-powered features related to scheduling, replies, and categorization. In its announcement, Grammarly said that it wants to build AI agents for emails using Superhuman’s tech. The company said that email remains one of the top use cases for Grammarly.

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 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.