Grammarly acquires Superhuman to enhance AI-driven productivity tools
In a strategic move to expand its AI-powered productivity ecosystem, Grammarly acquires Superhuman, the high-speed AI email client known for its premium user experience. This acquisition is a significant step in Grammarly’s broader mission to integrate advanced AI into everyday communication tools. As email continues to be one of the most-used platforms for professionals worldwide, the integration of Superhuman's technology will allow Grammarly to offer smarter, faster, and more intuitive writing experiences. This merger also positions Grammarly to compete more aggressively in the evolving productivity and AI agent space—an area rapidly gaining traction in 2025.
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Grammarly has long focused on helping users communicate effectively, but email—one of the most time-consuming professional tasks—has often required separate tools. By acquiring Superhuman, Grammarly now gains access to a deeply optimized email client, known for its AI-powered features such as smart scheduling, rapid replies, and message categorization. This acquisition gives Grammarly a unique advantage: combining its robust language intelligence with Superhuman's communication efficiency to deliver a seamless AI email agent experience. With AI agents expected to become central to digital workflows, this move couldn’t be timelier.
Why Grammarly’s acquisition of Superhuman matters for the future of work
The announcement that Grammarly acquires Superhuman is more than a typical tech merger—it signals a clear shift toward intelligent communication systems powered by collaborative AI agents. In recent years, Superhuman has stood out in a crowded email client market by focusing on speed, design, and machine learning features that cater to productivity-obsessed users. Meanwhile, Grammarly has evolved from a grammar checker to a full-scale AI writing assistant used by millions. The convergence of these tools offers the potential for deeply personalized, context-aware communication experiences where AI anticipates user needs and automates tedious email tasks.
Rahul Vohra, CEO of Superhuman, emphasized that joining Grammarly will supercharge both platforms. He pointed out that email is not only the number one use case for Grammarly’s user base but also the core of daily digital communication for billions globally. By combining efforts, the companies aim to build intelligent AI agents that function across different communication platforms—not just email. This reflects a broader industry trend in 2025: the rise of multi-agent AI systems that collaborate to optimize workflows, reduce cognitive load, and boost productivity at scale.
Inside Grammarly’s strategy and AI expansion efforts
The deal follows Grammarly’s broader push into collaborative productivity tools. In 2024, the company acquired Coda, a collaborative document platform, and appointed its co-founder, Shishir Malhotra, as Grammarly’s CEO. Under Malhotra’s leadership, Grammarly is transforming into a full-stack AI productivity suite that spans documents, email, team collaboration, and more. The acquisition of Superhuman builds on that momentum, giving Grammarly another high-use surface—email—for its AI agent technology to thrive.
Financial details of the deal were not disclosed, but the Superhuman team, including CEO Vohra and co-founders Vivek Sodera and Conrad Irwin, will join Grammarly. Superhuman had previously raised over $114 million from high-profile investors like a16z, IVP, and Tiger Global, with a peak valuation of $825 million. In May 2025, Grammarly secured a $1 billion non-dilutive investment from General Catalyst, a move that allows it to reinvest heavily in product innovation without giving up equity. That capital, combined with Superhuman’s IP, is expected to accelerate Grammarly’s roadmap for AI-enabled communication tools.
How users benefit as Grammarly acquires Superhuman
For everyday users and productivity-focused professionals, this acquisition promises a next-generation email experience where AI agents proactively assist with writing, replying, organizing, and even summarizing conversations. Since email remains one of the most time-consuming tasks for modern workers, the combination of Grammarly’s writing intelligence with Superhuman’s streamlined UX could lead to significant efficiency gains. Instead of just offering writing suggestions, Grammarly could evolve into a real-time assistant that writes, replies, and manages email in context—powered by both user intent and intelligent AI agents.
Grammarly’s move also aligns with broader 2025 trends: the consolidation of communication and productivity platforms, the rise of AI-native tools, and the growing expectation that AI should reduce—not add to—workload. By embedding its AI agents into Superhuman’s interface, Grammarly is not only making writing more effective but fundamentally rethinking how professionals interact with digital communication systems. The future of email is no longer manual—it’s collaborative, AI-driven, and personalized.
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