It’s not ChatGPT like, it is ChatGPT, specifically GPT-4o.
See press release and versioning at bottom of the page.
https://www.apple.com/newsroom/2024/06/introducing-apple-intelligence-for-iphone-ipad-and-mac/
So, Apple is using the latest version of the best LLM out there and its opt-in. That’s a hugely different approach as you mentioned.
Fair point.