Google launched Gemini 3.5 family of AI models, which are 4x faster than their competitors, along with Gemini Omni, which can create videos from any input type, at its AI-focused I/O 2026 event. It announced Antigravity 2.0 and Gemini Spark, its own 24/7 personal AI assistant. Google launched AI-powered Search, with the biggest upgrade to Search box in 25 years.