According to Sundar Pichai on Twitter, Gemini 3 Deep Think mode introduces significantly enhanced reasoning capabilities, now accessible to GeminiApp Ultra subscribers. The feature enables the AI to simulate complex 3D architectural designs, demonstrating practical use cases in fields like architectural visualization, engineering, and design automation. This advancement positions Gemini 3 as a strong competitor in providing AI-driven solutions for industries requiring high-level spatial reasoning and detailed modeling. The rollout signals new business opportunities for firms seeking to automate complex design tasks and improve project efficiency with generative AI. (Source: Sundar Pichai, twitter.com/sundarpichai/status/1996656722979754060)