Grammarly to Acquire Superhuman: a Game‑Changing Boost to AI Productivity in Email

Grammarly acquires Superhuman to revolutionize email with AI-powered productivity tools. Get ready for intelligent agents, faster replies, and a unified platform that transforms how you manage communication and tasks—directly from your inbox.

Mendy Berrebi
By Mendy Berrebi
8 Min Read

Hey there, reader! Have you been using Grammarly to polish your writing? Or maybe you’re one of the loyal fans of Superhuman for lightning‑fast email? Well, it’s high time you discover why this acquisition matters to both types of users—and why, if you’re not already on board, it could be time to sign up.

Why Grammarly’s Move to Acquire Superhuman Supercharges AI Productivity

Turning Email into the AI Productivity Hub

Grammarly, best known for its real‑time grammar, spelling, and tone suggestions, is no longer content with being an email helper—it’s leveling up into a full AI productivity powerhouse. In its press release, Grammarly emphasized that email remains the top use case: its AI assists in drafting over 50 million emails per week across more than 20 email providers—including Gmail, Outlook, Apple Mail, and Superhuman itself.

By acquiring Superhuman, Grammarly is gaining not just a slick email app with a devoted user base but also a robust platform where AI agents can truly shine. Think agents that triage your inbox, draft replies in your voice, pull relevant documents, schedule your meetings, and even interact with other agents—all from within your email.

A Proven Boost to Email Efficiency

This isn’t just hype—Superhuman already delivers serious results. Their users handle about 72% more emails per hour, replying 1–2 days faster and saving approximately four hours weekly. Now, integrate that with Grammarly’s grammar and tone engines, and you’re looking at an AI‑supercharged email workflow that’s both faster and smarter.

How the Deal Works: Details, Cost, and Integration Plan

What We Know (and Don’t) About the Deal

Grammarly’s official announcement via Business Wire confirms the intent and outlines the vision—but remains silent on exact numbers. The terms weren’t disclosed, although Superhuman had a valuation of $825 million in 2021 and was generating around $35 million annual revenue.

Grammarly itself recently raised $1 billion from General Catalyst, boosting its growth ambitions past grammar assistance.

Integration Strategy: Teams, Culture, and Product Roadmap

As part of the deal, Superhuman’s CEO Rahul Vohra and over 100 employees will join Grammarly. Importantly, Superhuman’s product and its brand will continue to operate—now fueled by Grammarly’s resources.

The technology roadmap is ambitious: email will become the primary “surface” for multipurpose AI agents. Whether you’re writing a client memo, drafting marketing outreach, analyzing support tickets, or scheduling events, you’ll soon have dedicated Grammarly‑powered agents crunching the work alongside you.

“Email is the perfect staging ground for orchestrating multiple AI agents simultaneously.” – Shishir Mehrotra, Grammarly CEO

User Experience: What Superhuman and Grammarly Users Can Expect

For Current Superhuman Fans

If you’re already on Superhuman, get excited. Nothing changes—yet. Superhuman remains the fast, keyboard‑centric email app you love. Soon, it gets powered by Grammarly’s advanced AI: imagine agents summarizing long threads, drafting polished replies, and even scheduling meetings in your tone.

The Superhuman team promises deeper investment into email itself, plus new experiences around calendars, tasks, collaboration—all built on Superhuman’s sleek interface.

For Grammarly Pros

Using Grammarly primarily inside Docs, Gmail, or social media? This move flips the script. You now get a powerful, fully‑integrated AI‑native email client. Next up: a single platform where your writing assistant and your inbox work together—away from the patchwork of browser tabs and disparate tools.

Financial Snapshot & What It Tells Us

  • Superhuman revenue: ~$35 million annually, with a 2021 valuation near $825 million
  • Grammarly valuation & funding: Over $700 million in annual revenue, $1 billion in recent funding
  • Deal cost: Undisclosed, but both companies are well‑funded

This signals long‑term thinking. Grammarly isn’t buying a quick feature—it’s acquiring a high‑velocity platform, user base, and team positioned for AI‑driven growth.

The Bigger Picture: Competing in the Agentic AI Arena

Grammarly’s vision is bold: evolve into a multi‑agent AI productivity platform spanning writing, email, research, marketing, and more.

This puts them in direct competition with Big Tech—Google, Microsoft, Salesforce—and up‑and‑coming AI platforms. The prior acquisition of Coda gave them collaborative workspace agents; now Superhuman completes the communication layer, integrating email, calendars, and tasks. The aim is seamless coordination across agents, reducing friction and enabling autonomous workflows.

Rise of Email Fatigue and AI Demand

The data is clear: professionals spend roughly 3 hours daily in email. With growing pressure to do more with less, AI tools that speed up email have seen massive adoption—and users are ready for more intelligent help.

The AI Promise Gap and Grammarly’s “Highway” Approach

Unlike many businesses that precariously attach AI to existing tools, Grammarly built a broad “AI superhighway” across 500,000+ apps. Integrating Superhuman deepens this highway, shifting from writing assistance to autonomous agents that work where you work—your email, your calendar, your contracts.

Spotlight: February 2024 Superhuman AI Email Article

ICYMI: Back in February 2024, we covered Superhuman’s rise with AI‑powered draft tools on our blog—check out “Unlock Peak Productivity with Superhuman AI Email Platform” for a deep dive 🧠:

https://pwraitools.com/productivity-ai-tools/unlock-peak-productivity-with-superhuman-ai-email-platform/

That article laid out how Superhuman’s early AI drafts helped users triage and respond faster. Today’s acquisition turbocharges that mission.

Final Take: Who Should Care and What Comes Next

Users Should Pay Attention

  • Superhuman users: Expect even more AI‑driven speed and accuracy in your email. This is just the beginning.
  • Grammarly users: Time to level up to a full email‑centric AI suite. One platform, all your writing and communication covered.

Should Others Jump In? Absolutely

Not using either yet? Here’s the truth: if you handle email regularly—and who doesn’t?—this combo delivers serious workflow gains. From polished communication to task automation, it’s AI productivity tailored to your real day‑to‑day tasks.

Conclusion & Call to Action

So, is Grammarly’s acquisition of Superhuman just a headline? Far from it. It’s a definitive moment in AI productivity, especially for email.

If you’re already using Grammarly or Superhuman, buckle up—this acquisition is set to elevate your workflow. And if you haven’t yet, today’s the day to explore both. The future workspace is turning AI‑native, and Superhuman + Grammarly is already in the driver’s seat.

Will you leverage this powerful pairing in your own workflow? Let me know in the comments—would love to hear how AI is reshaping your email life!

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Hi, I’m Mendy BERREBI, a seasoned e-commerce director and AI expert with over 15 years of experience. My passion lies in driving innovation and harnessing the power of artificial intelligence to transform the way businesses operate. I specialize in helping e-commerce companies seamlessly integrate AI into their processes, unlocking new levels of efficiency and performance. Join me on this blog as we explore the future of digital transformation and how AI can elevate your business to new heights. Welcome aboard!
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