I think It should be mentioned that the changes to Siri in 18.1 and 15.1 were small and it’s not really using Apple Intelligence yet. The changes to Siri for 18.1 were:
- A new look and feel includes a glowing light that wraps around the edge of your screen, animates responsively to the sound of your voice, and lets you keep scrolling or typing while you talk to Siri
- Type to Siri when you don’t want to speak a request out loud by double tapping at the bottom of the screen
- Richer language understanding enables Siri to follow along if you stumble over your words or change your mind mid-sentence
- Conversational context is maintained over the course of a session, so you can refer more naturally to something you said in a recent request or something Siri mentioned in a recent response
- Product knowledge helps you get answers to thousands of questions about the features and settings on your Apple products
- Voice enhancements make Siri sound more natural, expressive, and clear
I think even 18.2 isn’t adding the full AI features to Siri (though I don’t follow the betas too closely), but what I understand is that Siri will now optionally use ChatGPT and Apple is adding visual intelligence to Siri with 18.2 and 15.2. I think it’s something like iOS 18.4 that will bring all planned improvements to Siri (things like the example given at WWDC answering the question “what time is my mother’s flight landing today”.)