Gmail hack — this secret Gemini 3 prompt is a game changer for your inbox

Google Gmail icon on a phone
(Image credit: Shutterstock)

If you’re anything like me, your Gmail inbox is a mess. I’d love to say that I’m organized, or that I have a well-planned-out system for my email, but that just wouldn’t be true.

Because of its unkempt nature, I have found that my Gmail account needs a lot of work to stay on top of. Luckily, I have found recently that the built-in Gemini feature on Gmail can work well for this.

How it works

Gemini

(Image credit: Shutterstock)

Firstly, you will need to have a Gemini AI plan to use this feature. It isn’t currently available to those who use the free version.

Once you’ve upgraded (or if you’re already on a paid plan), head to the Gemini symbol in the top right-hand corner of Gmail. When you click on this, it will allow you to interact with Gemini AI right from your email.

In here, you can prompt Gemini to interact with your emails. The prompt that I’ve been using goes like this:

"Analyze my unread emails from the last 24 hours. Categorize them into 'Action Required,' 'Informational, and 'Junk.' For the 'Action Required' list, draft a 2-sentence response for each based on my previous writing style."

When you use this prompt, Gemini will go through all of your unread emails and categorize them for you. This is especially useful for work emails if you get a lot coming through, not all of which is important.

What other Gmail prompts can you use?

Gemini AI

(Image credit: Future)

There are plenty of more obvious uses for Gemini in Gmail. You can use it to draft emails for specific topics or track down specific information from previous conversations.

One of the best uses for it is to work out the details of a long thread of an email. If you are now 30+ emails into a complicated thread of information, you can find the key points from that thread by prompting.

This can be something like “Search through this email thread and summarize all of the key points,” or “How much did I agree as a final price in this email thread?”

The benefit is especially clear for trying to track down incredibly specific information in the thread, but it can be altered to work in whatever way suits your own needs.


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Alex Hughes
AI Editor

Alex is the AI editor at TomsGuide. Dialed into all things artificial intelligence in the world right now, he knows the best chatbots, the weirdest AI image generators, and the ins and outs of one of tech’s biggest topics.

Before joining the Tom’s Guide team, Alex worked for the brands TechRadar and BBC Science Focus.

He was highly commended in the Specialist Writer category at the BSME's 2023 and was part of a team to win best podcast at the BSME's 2025.

In his time as a journalist, he has covered the latest in AI and robotics, broadband deals, the potential for alien life, the science of being slapped, and just about everything in between.

When he’s not trying to wrap his head around the latest AI whitepaper, Alex pretends to be a capable runner, cook, and climber.

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