During the Google I/O 2025 Developer Conference, Google revealed a significant enhancement to its flagship Gemini AI model with the launch of Deep Think, a sophisticated reasoning mode exclusive to the Gemini 2.5 Pro model. This innovative mode equips the AI to deliberate over multiple potential responses before finalizing its answer, marking a leap in its benchmark performance. Additionally, the upgrade introduces the Gemini 2.5 Flash model, boasting substantial improvements in speed and efficiency. This advanced model will be accessible to a select group of trusted testers through the Gemini API. Furthermore, Google introduced several novel features, including native audio output, an enhanced Live API, and plans to integrate Project Mariner's cutting-edge computer operation capabilities into both the Gemini API and Vertex AI. The CEO of Google DeepMind emphasized their ambition to evolve Gemini into a comprehensive 'world model,' capable of understanding and mimicking the world in a manner akin to the human brain, enabling it to devise plans and envision novel experiences.