Google Search enters ‘agentic era’ with Gemini 3.5 Flash: 24/7 agents, and custom mini-apps announced

Key points

• Google has announced one of the biggest overhauls to Google Search, bringing Gemini front and centre of the experience.
• The company says it is combining Gemini 3.5 models, agentic AI capabilities, and its Antigravity platform to turn Search into a more proactive and personalised experience.
• "Search can build you the ideal format exactly for your question, completely custom on the fly," a Google executive explained during I/O 2026. "We're talking dynamic layouts, interactive widgets, and entire experiences, all created just for you.
• This is agentic coding at the scale of Search." AI Mode upgraded to Gemini 3.5 Flash Google unveiled AI Mode in Search at last year's I/O event and this year, the company is upgrading the experience with its latest Gemini 3.5 model.
• The company is also adding a redesigned Search box, which is being touted as the biggest change to Search in more than 25 years.