According to Demis Hassabis on Twitter, Gemini 2.5 Deep Think is now available for Ultra subscribers, offering a significant advancement in AI-driven creativity and planning. This model excels at solving complex problems by simultaneously considering, revising, and integrating multiple ideas, providing users with optimal solutions. Gemini 2.5 Deep Think is a faster version of the model that recently achieved gold-level performance at the International Mathematical Olympiad (IMO), highlighting its superior capabilities in handling intricate problem-solving tasks. Businesses and developers can leverage this technology for enhanced innovation, productivity, and competitive advantage in AI-powered applications (Source: @demishassabis, August 1, 2025).