They powered the initial "Apple Intelligence". The newer version is Gemini.

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

They don't?

https://www.apple.com/newsroom/2026/09/siri-ai-a-profoundly-...

> These new capabilities are powered by the next generation of Apple Foundation Models, custom-built in collaboration with Google and its Gemini models for deeply integrated Apple Intelligence experiences.