I don't get it...I just switched to the new model on my iPhone app and it still takes several seconds to respond with pretty bland inflection. Is there some setting I'm missing?
Wondering the same. Can’t seem to find the way to interact with this in the same way as the video demo.
They haven't actually released it, or any schedule for releasing it beyond an "alpha" release "in the coming weeks". This event was probably just slapped together to get something splashy out ahead of Google.
According to the article, they've rolled out text and image modes of GPT-4o today but will make the audio mode available at a later date.