I can't imagine the human-machine communication interface to be voice for long, it's just too impractical to be talking to your AI assistant in public. 
Let AI live in smart glasses which you communicate with thoughts so it's still natural language processing just with Neuralink.

Also the eye tracking from Vision Pro would be another way of controlling the glasses. 
Cloud enables unlimited resources, and you can wield it seamlessly.  Seems like the closest to a super power you can get with tech. I hope our brains can handle that.

Searchcaster