If they allowed your private email contents or any other private context to leak outside their encrypted enclave (local or their new online hardware) then the entire set of privacy claims would go out the window.
I think the Apple server inference is handling things like image generation where you need a beefy guy to get results quickly, and don’t need to transmit as much user context to service the request.
If I'm a paid ChatGPT user, I'd definitely choose GPT4 over Apple's models.
> With ChatGPT from OpenAI integrated into Siri and Writing Tools, you get even more expertise when it might be helpful for you — no need to jump between tools. Siri can tap into ChatGPT for certain requests, including questions about photos or documents. And with Compose in Writing Tools, you can create and illustrate original content from scratch.
* got one of my own right before a previous employer closed down and let us keep the work one, third one is from new employer
"* Apple Intelligence will be available in beta on iPhone 15 Pro, iPhone 15 Pro Max, and iPad and Mac with M1 and later, with Siri and device language set to U.S. English, as part of iOS 18, iPadOS 18, and macOS Sequoia this fall."
(Given how rapidly AI changes, anything more than a year away isn't easily planned for, even assuming no surprises on the anti-trust front for every Big Tech company nor any surprise new legal obligations for AI).
But 100m figure seems small. There are ~100m Apple Silicon Macs sold in the last 4 years. That's not including any M1+ iPads or iPhone 15 Pros.
I'm guessing maybe 250m? Still a ton of queries and usage. It's not just Siri. I believe features like optimize email response also uses GPT4o.