Google I/O 2026: Search Box gets biggest redesign in 25 years, AI Mode runs on Gemini 3.5 Flash
Google announced a sweeping set of Search updates at Google I/O 2026 on May 19, including what the company calls the biggest redesign of its Search box in over 25 years, a tighter integration between AI Overviews and AI Mode, and a new default model for AI Mode globally: Gemini 3.5 Flash.