Google Search’s biggest update in 25 years: what’s changing?

Google is overhauling Search for the first time in 25 years, making Gemini 3.5 Flash the default AI Mode model.

The search bar now supports multimodal prompts and AI suggestions, turning Search into a more conversational assistant.

Background information agents can monitor topics and alert users when something changes, while generative UI and mini-apps make results more interactive.

Expanded personal search tools will roll out across more countries and languages, with deeper use of data from Gmail, Photos, and Calendar.