On Tuesday at Google I/O 2025, the company announced Deep Think, an “enhanced” reasoning mode for its flagship Gemini 2.5 Pro model. Deep Think allows the model to consider multiple answers to questions before responding, boosting its performance on certain benchmarks.

Google has started testing a reasoning model called Deep Think for Gemini 2.5 Pro, the company has revealed at its I/O developer conference. According to DeepMind CEO Demis Hassabis, Gemini's Deep Think uses "the latest cutting-edge research" that gives the model the capability to consider multiple hypotheses before responding to queries.

Google Gemini 2.5 Pro is getting a new Deep Think model Deep Think allows Gemini to consider multiple reasoning paths before responding Deep Think will improve Gemini's accuracy on complex math and code Google is adding some extra brainpower to Gemini with a new Deep Think Mode.