Google has officially begun the broader rollout of its AI Inbox feature for Gmail, powered by the Gemini 3 model. Initially introduced to a limited group of testers in January, the feature became available on Wednesday, April 1, to subscribers of the company’s high-end AI Ultra plan.

The AI Inbox is designed as a productivity-focused interface that complements, rather than replaces, the traditional email list. It serves as an intelligent briefing layer that categorizes and summarizes incoming messages to help users manage high-volume inboxes more efficiently.

The system operates by scanning unread messages and generating a prioritized summary at the top of the application. This summary is presented in a bulleted format with direct links to the relevant emails, allowing users to grasp the essential details of their correspondence without opening every individual message. The interface is primarily divided into two sections: prioritized highlights and actionable summaries.

Despite the expansion, the rollout remains exclusive to users in the United States who maintain an AI Ultra subscription. The service carries a premium price point of $249.99 per month in the U.S. market. The feature has not yet been officially launched in international markets.

Google has emphasized a “privacy by design” approach for this integration. The company states that all data processing occurs within an isolated environment and that personal Workspace content is not utilized to train its underlying AI models. For users who prefer the standard Gmail experience, the AI Inbox remains optional and can be disabled via the account settings.

This update arrives alongside other recent improvements to Gmail, including the long-awaited ability to change email addresses and enhanced label management controls for the Android application, bringing it to parity with the iOS version.