Apple is rolling out a completely reimagined Siri as a context-aware assistant featuring on-screen awareness and seamless cross-app integration, powered by Google's Gemini model running on Apple's Private Cloud Compute infrastructure. The update represents a fundamental departure from Siri's traditional voice-command interface toward a more intelligent, visually-aware system capable of understanding what's displayed on screen and responding contextually. The release targets iOS 26.4 this month following extensive internal testing and engineering optimization. The partnership between Apple's on-device and cloud computing capabilities with Google's frontier model demonstrates how even the largest tech companies are choosing to integrate best-in-class external models rather than rely solely on proprietary alternatives.