I was quite impressed by the voice chat featured added to the ChatGPT app.
On the otherhand the Google assistant experience has been frustrating and gimmicky at best. I've found to do anything requires you to phrase things in a specific way, and even then it doesn't quite "get" what I'm looking to do.
Then pay them. It's not hard to figure how much energy you consumed and what the cost of electricity is, make a conservative estimate, round it up and give them the money.