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Triage an inbox and plan a trip with Gemini Agent Mode

A writer had Gemini archive messages in 100+ unread emails and leave reply drafts, and describes it comparing hotel prices and holding a room.

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Use case overview

A writer had Gemini archive messages in 100+ unread emails and leave reply drafts, and describes it comparing hotel prices and holding a room.

Reported experience

  1. What they did

    Amanda Caswell switched on Agent Mode in Gemini 3.1 Pro. For email, she asked it to review the last 24 hours of Gmail, summarize messages needing a reply, archive newsletters she had already seen, and draft a reply to the latest email. For travel, she asked for a Tokyo trip, and Gemini used Project Mariner to browse booking sites and compare live prices.

  2. How it went

    She says Gemini actually archived the emails and left drafts waiting for her click. It compared prices and placed a 24-hour hold on a hotel room. The article gives no timings or measured results.

  3. Worth knowing

    Agent Mode needs a Pro or Ultra subscription, and the article's drafts still wait for your final click before anything is sent.

Example prompts

Try with Gemini
Go through my [Gmail] inbox and archive anything that is a newsletter, receipt, or notification needing no reply from [date range or 'the last 100 unread']. For messages that need an answer, leave a draft reply in my voice but do not send anything. Then compare prices for hotels in [city] for [dates] under [budget] and show me the top three options; pause and ask before holding or booking any room. Finish with a short list of what you archived, drafted, and found.