Google upgrades Search with Gemini 3.5 Flash, UI overhaul in 25 years
At I/O 2026 Google announced that Gemini 3.5 Flash becomes the default model for AI Mode in Search and introduced a revamped, AI‑powered search box—the first major redesign in over 25 years. The upgrade adds multi‑modal inputs, agentic search agents and deeper conversational capabilities, reshaping SEO and ad strategies.