Google Embeds Persistent AI Agents Directly Into Search

At I/O 2026, Google made Gemini 3.5 Flash the default search engine brain and introduced always-on agents that monitor data sources around the clock.

Google's Search I/O 2026 announcements crossed a threshold that the company has been building toward for years: AI agents are now embedded directly in Google Search, running persistently rather than responding to individual queries. As @thehatecrew615 reported, Gemini 3.5 Flash is now the default model powering Search, and new agent capabilities allow the system to monitor data sources 24/7 on behalf of users.

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