Google rolls out Gemini 3 Deep Think mode with its “strongest reasoning capabilities”: CEO Sundar Pichai

Google has started rolling out Gemini 3 Deep Think mode to Google AI Ultra subscribers using the Gemini app.

In a post on X, CEO Sundar Pichai highlighted how the new mode can handle highly complex tasks, calling it a feature that “brings our strongest reasoning capabilities yet.” He also shared Gemini’s post on X, which showed an example of its ability to “simulate complex 3D architecture.”