I have only found good things from Gmail scanning my email. It gives me shout-outs about important things, and I like the AI Inbox feature. It gives me a quick snapshot of all the things I need to know about that are coming up.
But I could see how somebody would not want that level of privacy, or there may be accounts that have sensitive data. So this guide is for both people. First what the features actually do and who they help, then what Google says it does with your email, then the exact off switches on a computer, iPhone and Android for anyone who wants them gone.

What Gmail AI does now, and who gets it
Gmail AI is a set of Gemini features inside Gmail, and what you get depends on your account and your country. Google's availability table breaks it down like this as of October 2026.
- Every Gmail account, worldwide: AI Overview summaries at the top of long threads.
- Free personal accounts in the US: Help Me Write and Suggested Replies.
- Google AI Plus, Pro or Ultra: AI Inbox (US only), AI Overviews in Gmail search, Proofread, and Gmail Live for asking your inbox questions out loud.
- Work or school accounts: whatever your admin turns on. On October 15, Google started rolling AI Inbox out and Gmail Live out to paid Workspace plans too.
The three most people will meet are summaries, Help Me Write and Suggested Replies. The summary shows up on its own at the top of a long thread, or behind a Summarize this email button, and you can click Minimize to hide it on any thread. Help Me Write lives in the Compose window, and you type what you want, click Create, then make it more Formal, Friendly or Shorter. Suggested Replies replaced the old Smart Reply buttons at the bottom of an email.
Who the AI features are good for
The features are built for an inbox where bills, school emails, deliveries and appointments all land, because that's what they pull from. An inbox that's mostly newsletters gives them less to work with.
AI Inbox is the one I actually use. Google describes it as two sections: suggested to-dos pulled out of incoming emails, with the thing you need to do in bold, like a bill due date, and topics to catch up on, like upcoming travel or a reservation that's spread across five threads. It only reads your Primary tab, skips anything you archive, delete or snooze, and Google says the first batch can take up to seven days to appear. That's the quick snapshot I mentioned. We have a separate post on who AI Inbox is for.
Gmail Live is the newest one, and it's for people who are driving or cooking. You talk to the Gmail app and it answers from your email, with a source card showing which message it pulled from, so you can ask "what gate is my flight leaving from tomorrow" without scrolling. It needs a paid Google AI plan and only works in English, and the availability table lists it for iOS and Android only.
What Google says it does with your email
Google's position is that Gmail's AI reads your email to help you and doesn't train its models on it, and the fine print mostly backs that up. The exception is the Gemini app.
The Workspace privacy page says "We do not use your Workspace data to train or improve the underlying generative AI and large language models that power Gemini, Search, and other systems outside of Workspace without permission," and "Your content is not used for ads targeting in Google Workspace." The smart features page adds that when the features are on, "your data may be used to improve these features," so your inbox does feed the Gmail features themselves.
The part to think about is connecting Gmail to the Gemini app for Personal Intelligence or the Daily Brief. Google's Connected Apps page says "summaries, excerpts, generated media, and inferences" from your emails can be used to train its models, and that a subset "is reviewed by human reviewers." Google's own line on that page is "Please don't connect your apps to Gemini Apps if they contain confidential information that you wouldn't want a reviewer to see." So if you keep Gmail's features but never connect it to the Gemini app, you're in the tighter of the two situations.
That's the honest privacy case. The viral warnings that Google is training on everything in your inbox go further than Google's own pages do, so the wording above is what you're actually deciding on.

How to turn off Gmail smart features
To turn off Gmail smart features, you flip two settings on the General tab, and one of them opens a second screen with two more switches. Google's help page is the source for every step below, and changes apply on every device you're signed in to.
On a computer
- In Gmail, click the gear at the top right, then See all settings.
- On the General tab, scroll to Smart features and uncheck Turn on smart features in Gmail, Chat, and Meet.
- Still on General, next to Google Workspace smart features, click Manage Workspace smart feature settings.
- Turn off Smart features in Google Workspace. Turn off Smart features in other Google products too if you don't want your email feeding Maps, Wallet or the Gemini app.
- Scroll to the bottom of the General tab and click Save Changes.
On an iPhone or iPad
Open the Gmail app, tap Menu at the top left, then Settings > General > Data privacy. Turn off Smart features. Then tap Google Workspace smart features, turn off both settings there, and tap Done at the top right.
On Android
Open the Gmail app, tap Menu at the top left, then Settings, and pick the account. Under General, uncheck Smart features. Then tap Google Workspace smart features and uncheck Smart features in Google Workspace and Smart features in other Google products.
If you live in the European Economic Area, the UK, Switzerland or Japan, Google says all of these start off by default, so you may have nothing to do.
What you lose when you turn it off
Each switch takes more than Gemini with it, so it's worth knowing what's attached before you click. This is straight from Google's smart features page.
- Smart features in Gmail, Chat, and Meet: your Primary, Social and Promotions tabs, Smart Compose, Smart Reply, and the summary cards above emails for travel and package tracking.
- Smart features in Google Workspace: Gemini summaries and drafts, flights and invitations from Gmail showing up in Calendar, and personalized search in Drive.
- Smart features in other Google products: restaurant reservations in Maps, tickets and loyalty cards in Wallet, and Personal Intelligence in the Gemini app and Search.
Some features have their own switch, so you can keep the rest. AI Inbox hides with Show AI Inbox unchecked under Settings, then Inbox. Smart Compose turns off with Writing suggestions off on the General tab, and Proofread goes with Grammar suggestions off.

What you can't turn off
Turning off smart features stops Gmail from using your email for the AI features. It doesn't stop Gmail from processing your email at all, because spam filtering, search and the basic sorting have always read your mail to work. Google's privacy page says those interactions are "anonymized and/or aggregated" and used to improve things like spam protection and spell check, and there's no setting for that.
Two more things stay put. On a work or school account, your admin decides, and Google says there's no admin control for AI Inbox at all, so eligible Workspace users get it either way. And Google's page says the learnings it already developed from your data "may persist even after you turn off a smart feature setting."
If the summaries and the to-do list help you, leave it on. I do. If your inbox holds things you wouldn't want any system summarizing, the two switches above are the ones that matter, and the Gemini app connection is the one Google itself tells you to think about.
Related reading: Who Gmail AI Inbox is for | How to turn off Gemini on Android, Gmail and Chrome | The Gemini Daily Brief guide | New to AI? Start here



