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Tom’s Guide
Tom’s Guide
Technology
Amanda Caswell

I had 10,000 unread emails — here is the exact Gemini 3.5 Flash prompt I used to clear them in 5 minutes

Woman at computer.

Google just rolled out Gemini 3.5 Flash with upgrades that you're going to want to put to the test in your everyday workflow. So much more than a typical chatbot, Gemini 3.5 Flash isn't just fast, it's a true digital assistant that can actively help manage parts of your life — specifically, the boring, time-consuming ones.

Google's latest default model can now work across your inbox, files, photos, travel plans and even coding projects. If you haven't tried this model yet, I have seven practical reasons why it's worth your time.

1. Turn Gemini into an AI executive assistant for your inbox

(Image credit: Shutterstock)

Most of us waste an incredible amount of time sorting through emails that don’t actually matter. I'll be embarrassingly honest: Before I used Gemini 3.5 Flash to organize my inbox, I had over 10,000 unread personal emails. Because Gemini integrates with Google Workspace, you can ask it to summarize important emails, identify action items and help prioritize your day, which will instantly help you breeze through that unread stack.

Try a prompt like: “Check my Gmail from the last 24 hours and give me the 5 most important things I need to know, along with any action items.”

2. Take a photo of your fridge and let Gemini plan dinner

(Image credit: Future)

One of the things nobody tells you when you become a parent is that your kids will be hungry all the time. Just this week, my middle schooler invited his three best friends over to our house after school. All the snacks and drinks I had purchased three days earlier were gone, completely gobbled up by the boys. On days when I feel like the fridge and pantry don't have any ingredients for a real meal, Gemini 3.5 Flash instantly comes to the rescue.

Simply upload a photo of your fridge, pantry or kitchen shelves and ask Gemini to generate recipes based only on the ingredients it sees. You can also mention that you have picky eaters or any dietary requirements.

After uploading a photo or two, try the prompt: “Analyze this photo and give me three quick healthy dinner ideas using only these ingredients.”

3. Upload giant PDFs and ask questions instead of reading everything

AI has long been able to summarize documents, websites and emails. But now that Gemini 3.5 Flash is smarter and faster, you can upload several different PDFs at a time including presentations. Instead of reading through lease agreements, insurance documents, financial reports or even school paperwork, you can upload the file directly into Gemini and ask targeted questions.

For example: “What happens if I break this lease early?”

Or:

“Summarize the biggest financial risks outlined in section 4.”

After that, don't forget to save the document in your own Family "Wiki" to keep everything organized.

4. Build simple apps without knowing how to code

(Image credit: Getty Images)

Google is also leaning heavily into “vibe coding,” where users build projects using plain English instead of programming knowledge. To build just about anything, all you need to do is prompt. Using Gemini and Canvas, users can create small interactive web apps simply by describing what they want.

Gemini can then generate the code, create the interface and allow you to test the app directly inside the workspace. This is one of the clearest signs that AI is lowering the barrier to software creation for non-programmers.

For example a vibe coding prompt might be: “Build a simple water tracking app with a visual progress bar.”

5. Use Gemini as a smart travel planner

(Image credit: Future)

Looking to get away this Memorial Day weekend or planning a longer trip this summer? Gemini 3.5 Flash can now combine live Google Search information with itinerary planning to streamline the process.

The AI can help organize restaurant recommendations, timing, local events, attractions, travel flow and just about anything to essentially function like an AI travel agent.

A prompt for something like this might look like: “I’m going to Austin for a 3-day weekend. I love live music and tacos but hate long lines. Build me an itinerary and check which venues are open Friday night.”

6. Turn meetings and lectures into summaries and follow-up emails

(Image credit: iFLYTEK)

It seems like everywhere I turn these days there is a transcription tool. And while most of them give a summary, I actually prefer uploading the notes and audio to Gemini. Because the AI now supports audio uploads, it opens up useful productivity features. From voice memos and meeting recordings to brainstorming sessions and lectures, Gemini can extract action items and, my personal favorite, generate follow-up emails. This one is a massive time-saver for professionals and students.

A prompt to try this could be: “Summarize this meeting and draft a follow-up email with next steps.”

7. Get real-time explainers for complicated news stories

(Image credit: Shutterstock)

Even though I read the news all day and cover a lot of it, keeping up with the latest stories isn't easy. Not to mention, understanding it all through different perspectives. That's why I think one of the strongest uses for AI remains breaking down complex topics into plain English.

Because Gemini connects to live Google Search data, it can explain current events using up-to-date information.

I use the prompt: “Explain what's happening with AI regulation right now like I'm a smart 12-year-old. Include the biggest developments from this week.”

Leaning into a different kind of AI

There's a big shift happening with AI right now. AI is slowly evolving from something that simply answers prompts into something that actively manages workflows, understands context and helps coordinate everyday tasks.

I personally still like to use Gemini 3.5 Flash as a chatbot because I don't need to give it the keys to my entire workspace as an AI agent. Sure, it's capable of that, but using it to understand my inbox, calendar, pull up photos and help me break down documents means I stay in control while also letting it behave more like an operating layer sitting across my digital life.

Give these seven capabilities a try and see what a difference this new model makes with classic workflow problems. Let me know in the comments what you think.

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