In one of the boldest moves of 2025’s AI tech consolidation wave, Grammarly has announced the acquisition of Superhuman, the premium AI-powered email client, as part of its mission to evolve from a writing assistant into a full-blown AI-native productivity platform.
The deal positions Grammarly to compete directly with industry giants like Google Workspace, Microsoft Copilot, and Salesforce’s Slack AI, redefining how millions of professionals engage with email, writing, and productivity.
Superhuman isn’t just another email app. It’s sleek, fast, and optimized for keyboard-native users, with a price tag to match. But the real allure for Grammarly lies in Superhuman’s built-in AI workflows that help users reply faster, triage messages automatically, and reduce time spent in inboxes.
Grammarly CEO Rahul Roy-Chowdhury and former Coda CEO (now Grammarly board member) Shishir Mehrotra envision a future where AI agents don’t just suggest better sentences—they manage your inbox and calendar end-to-end.
“Email is the operating system of modern work,” said Mehrotra. “It’s the perfect staging ground for AI agents to orchestrate tasks in the background.”
While the financial terms remain undisclosed, here’s what we know:
Superhuman’s AI productivity impact:
These figures show just how deeply entrenched both platforms already are in the workday—and why their fusion matters.
This acquisition is part of Grammarly’s larger strategy to build an “agentic” AI platform—where intelligent assistants proactively help users across workflows.
The next logical step? Integration across tools—email, calendar, docs, meetings, and chat—all stitched together by Grammarly’s AI brain.
This means existing users will likely see smarter grammar checks, contextual email drafts, and eventually full-blown AI command capabilities.
With this acquisition, Grammarly is no longer a grammar tool—it’s a platform play. That sends a direct signal to competitors:
| Rival | Why They Should Care |
| Google Workspace | Gmail is everywhere—but lacks a deeply personalized AI overlay |
| Microsoft Copilot | Office dominance is being challenged by more nimble AI-native tools |
| Notion, Slack, and Coda | Grammarly now owns writing, editing, and soon scheduling across channels |
| Startups in AI scheduling, email assistants, and writing | Consolidation will make solo players harder to sustain |
Initial responses across Reddit, X (Twitter), and product forums have been cautiously positive. Users admire Grammarly’s ambition, but also wonder:
Some users fear feature bloat; others are excited about a future where replying to emails no longer drains their day.
Expect the first integrated features to roll out in Q4 2025.
Think:
Eventually, Grammarly wants to build a workplace where you start a thought in one place—and AI finishes it across tools.
Grammarly buying Superhuman isn’t just an acquisition—it’s a bet that AI can finally make us better at work, not just faster. If they get it right, the inbox of 2026 might not just be less chaotic—it might become your smartest coworker.
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