This article explains how to use Google Duet in Gmail, including how to compose new emails and use it to respond to a message. While you can't use Google Gemini in Gmail, Duet is an advanced Google AI that works directly in Gmail and Workspace apps like Docs.
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Google Gemini is a standalone artificial intelligence (AI) chatbot similar to major language model systems like ChatGPT and the Bing Chatbot, so you can't use it directly in Gmail. It can send generated text to Gmail, but Google uses its Duet AI to provide writing support in the Gmail and Workspace apps.
In Gmail, Duet lets you compose new emails, write replies, proofread an email you've written yourself, and perform several other functions based on questions you enter.
Here's how to use Google Duet in Gmail: