Gemini 3 Deep Think: Google CEO Sundar Pichai says it brings company’s ‘strongest reasoning capabilities’

Google has begun rolling out Gemini 3 Deep Think mode to Google AI Ultra subscribers. This is a new feature that the company claims delivers its most advanced reasoning capabilities to date. In a post on X (formerly Twitter), company CEO Sundar Pichai highlighted the model’s ability to handle highly complex queries. He tweeted that the new mode “brings our strongest reasoning capabilities yet,” and shared an example of its ability to “simulate complex 3D architecture.”

Gemini 3 Deep Think offers advanced reasoning for complex problems