I really hope they stick with the ChatGPT+ paid model. A big use of GPT to me is getting information I can already get with a search, but summarized more concisely without having to navigate various disparate web interfaces and bloated websites. It saves a lot of time for things that I don't need an expert's verified opinion on. Injecting ads into that might mess with the experience.

Maybe a freemium model where you don't get ads as a plus subscriber would work out.

Bing image creator seems to be on the right path to freemium: you get a few priority requests and then get bumped onto the slow free queue. If the thing keeps getting better as fast as it is right now they'll have lines in the checkout page.