Yes. Exactly. But it is usage-based (tokens). And gpt3.5 is a lot cheaper.
Just put the creditcard details in and do not forget to set usage-limits to your liking in the settings.
This way you do not have to fear higher costs than you are willing to accept. There is a standard cap of 120$ per month. That is the absolute maximum, if you do not contact them and raise it. I turned mine to 20$.
