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Grammarly Acquires Superhuman to Power AI Agents for Email Productivity
Grammarly is acquiring email client Superhuman to turn inboxes into workspaces for AI agents and expand its productivity platform.

Image Source: ChatGPT-4o
Grammarly Acquires Superhuman to Power AI Agents for Email Productivity
Grammarly has announced its intent to acquire Superhuman, the AI-powered email client, in a strategic move to deepen its investment in autonomous AI agents and reshape how professionals work. Financial terms were not disclosed.
Email as the Next AI Frontier
The deal brings together two productivity-focused startups with aligned visions. Grammarly, known for its AI assistant that revises over 50 million emails per week, is positioning email as a central platform for orchestrating AI agents. Superhuman, meanwhile, has built a loyal user base with a fast, AI-enhanced email experience that helps users reply one to two days faster and save four hours each week.
“Email isn’t just another app—it’s where professionals spend significant portions of their day, and it’s the perfect staging ground for orchestrating multiple AI agents simultaneously,” said Grammarly CEO Shishir Mehrotra in the announcement.
Superhuman CEO Rahul Vohra echoed the sentiment: “By joining forces with Grammarly, we will invest even more in the core Superhuman experience, as well as create a new way of working where AI agents collaborate across the communication tools that we all use every day. These kinds of agents will free us all up to be more creative, strategic, and closer to achieving our human potential.”
Building an Agentic Productivity Platform
Grammarly describes this acquisition as a key step in its move toward an “agentic future”—a vision where AI agents take on more tasks across the tools professionals already use. The company says it’s building a productivity platform, dubbed the “AI superhighway,” to deliver writing and communication agents across more than 500,000 applications and websites.
The acquisition follows Grammarly’s earlier purchase of collaborative platform Coda, which it is using to manage agents that research, create, analyze, and collaborate. With Superhuman now joining that ecosystem, Grammarly aims to deploy multi-agent systems across email, document creation, and internal communications.
The company cites growing openness to autonomous agents: a recent Grammarly survey found that power users see opportunities for AI to support administrative tasks (44%), internal collaboration (39%), and strategic communications (36%).
While AI adoption is already underway, Superhuman reports that 66% of professionals expect their productivity to triple within five years. Industry leaders are even more optimistic—twice as likely to anticipate a tenfold increase—raising the question of where such dramatic gains will come from.
Superhuman’s Role and Capabilities
Founded by Rahul Vohra, Vivek Sodera, and Conrad Irwin, Superhuman had raised over $114 million from investors including Andreessen Horowitz (a16z), IVP, and Tiger Global. The company was last valued at $825 million, according to data from Traxcn.
Superhuman has introduced AI-powered features such as scheduling, smart replies, and email categorization. According to Grammarly, 94% of Superhuman’s weekly active users already engage with AI features. Usage data shows users send and respond to 72% more emails per hour after adopting the platform.
Looking ahead, Grammarly envisions agents that go beyond speed—handling inbox triage, scheduling meetings, conducting deep research across a user’s content, and drafting emails in the user’s own voice. These agents could reason, problem-solve, and interact with other systems to support more complex, context-rich workflows.
With the acquisition, Vohra and other Superhuman employees will join Grammarly, helping build out its next generation of AI-powered email agents.
What This Means
Grammarly’s acquisition of Superhuman signals a shift from assistive tools to intelligent systems that actively collaborate with users. Rather than layering AI onto existing workflows, Grammarly is aiming to rewire how productivity works at the surface level—starting with email.
By bringing Superhuman into its platform, Grammarly isn’t just expanding into a new app category—it’s positioning email as a foundational environment for deploying multi-agent AI systems. Inboxes aren’t just communication hubs; they’re rich with context, priorities, and patterns that make them ideal territory for intelligent agents to act with autonomy.
The move also sharpens Grammarly’s competitive edge as it evolves into a multi-product company. With Coda, Grammarly gained a structured workspace for agent collaboration. With Superhuman, it now controls the front door of digital work: the email client itself. That integration could allow Grammarly to deliver more seamless, context-aware AI assistance than rivals offering standalone tools or browser plug-ins.
As companies race to define how generative AI supports—not replaces—knowledge work, Grammarly is betting on a model where agents don’t live in the background, but at the center of how professionals plan, communicate, and execute their day.
Editor’s Note: This article was created by Alicia Shapiro, CMO of AiNews.com, with writing, image, and idea-generation support from ChatGPT, an AI assistant. However, the final perspective and editorial choices are solely Alicia Shapiro’s. Special thanks to ChatGPT for assistance with research and editorial support in crafting this article.