Apple’s personal intelligence system integrated across supported Apple devices and operating systems, providing writing assistance, image creation and understanding, Siri enhancements, and privacy-oriented intelligence features.

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Posts from WWDC say Apple Intelligence now combines Apple Foundation and Gemini models, and Siri gains visual, on-screen, and app-level actions. Watch for the beta rollout later this year; multiple posts say it will not ship in the EU at launch.
Apple said its most powerful on-device model runs on iPhone 17 Pro, while independent analysis describes a 20B design that routes a query to experts loaded from NAND into RAM. The architecture matters because it trades dense inference for hardware-aware expert selection, but access is constrained by device and region limits.