Foundation Models

iOS 27, released alongside the public launch of Siri AI, adds a new setup prompt asking users to opt in to sharing audio and text data to improve Apple's Foundation Models. The data collected is unchanged from before, but Apple will now also use it to train its foundation models rather than only Siri and Dictation.

Apple released the iOS 27 public beta, making its AI-powered Siri overhaul available to all users for the first time beyond developers. The assistant leverages Apple Foundation Models built in collaboration with Google Gemini, running on-device with Private Cloud Compute across Apple's 2.5 billion active devices.