Superhuman
Fast, keyboard-driven email client with AI summarising and reply drafting, built for people living in their inbox all day.
Cuts the time spent processing email to almost nothing, freeing attention for the parts of the day that actually need a human.
Superhuman's whole premise is speed. Every action, archiving, snoozing, moving between messages, is built around a keyboard shortcut, so once you've learned the handful of commands, processing a full inbox happens noticeably faster than clicking through a standard web client. For someone whose day genuinely runs through email at volume, that speed compounds into real time back.
On top of the speed, it layers AI features that actually reduce reading and writing time: automatic summaries of long threads so you don't have to scroll through a full back-and-forth to catch up, and AI-assisted reply drafting that gets you most of the way to a sendable response rather than a blank box staring back at you.
It's a genuine, established product, having raised a $75 million Series C at close to an $825 million valuation, and it's worth noting it was acquired by Grammarly in 2025. That's a real fact about the business, not a red flag on its own, it's still actively developed and shipping, just under new ownership.
The honest trade-off is the price. At around $25 a month billed annually, it's the most expensive tool in this entire stack, and there's a real learning curve to the keyboard-first workflow before you're actually faster than a normal client. I'd only recommend it to someone who genuinely lives in their inbox for hours a day, where the time saved clearly outweighs the cost and the ramp-up.
Frequently Asked Questions
Is Superhuman actually worth $25 a month for email?
It depends entirely on your email volume. If you're processing dozens or hundreds of emails a day, the keyboard-driven speed and AI summarising genuinely save meaningful time, and the cost is easy to justify. If your inbox is lighter, a free or cheaper option like Spark Mail or a filtering layer like SaneBox will cover what you need without the price tag.
Is Superhuman owned by Grammarly now?
Yes, Superhuman was acquired by Grammarly in 2025. It's still an actively developed, standalone product, the acquisition is a business fact worth knowing rather than a sign it's being wound down.
How steep is the learning curve for Superhuman's keyboard shortcuts?
There's a genuine ramp-up, most users need a week or two of onboarding (Superhuman actually runs a guided onboarding call for new users) before the shortcuts become second nature. Once they do, most people report processing email noticeably faster than a standard client.
What does the AI actually do in Superhuman?
It summarises long email threads so you can catch up without reading the whole back-and-forth, and it drafts reply suggestions based on the content of the email you're responding to, cutting down both reading and writing time.
Does Superhuman work with Gmail and Outlook?
Yes, it connects to existing Gmail and Outlook accounts rather than requiring a new email address, so you keep your current address and contacts while using Superhuman's interface on top.
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