The OpenAI integration is a side-feature. All the stuff that works on your private data is Apple models that are either on-device or in Apple's private cloud (

The OpenAI integration is a side-feature. All the stuff that works on your private data is Apple models that are either on-device or in Apple's private cloud (and they are making that private cloud auditable). The OpenAI stuff is firewalled off into a separate "ask ChatGPT to write me this thing" kind of feature.