> Open AI at least provides backend model services for Siri.

Do they? I thought that was Google/Gemini now.

https://www.cnbc.com/2026/01/12/apple-google-ai-siri-gemini....

I sill have a ChatGPT extension option in Siri settings on 27.2; perhaps the default Apple Foundation model is Gemini-backed and the ChatGPT option still remains