This is a lot more risky than doing it on a self-hosted model surely? Do you really want to upload your entire message history to a third party (i.e. not Apple)?
I assume OpenAI is using all of our input to create digital twins of all users for purposes of marketing. And they’re probably better at it than I.
So I might get a chatbot and OpenAI gets a marketing bot that fine tunes ads based on emotional state.