To cancel your ChatGPT subscription, make sure to do it through the same...

https://wiki-planet.win/index.php/What_is_the_Fastest_Way_to_Find_the_Right_Billing_Channel_for_ChatGPT%3F

To cancel your ChatGPT subscription, make sure to do it through the same platform where you signed up—whether that's the web, Stripe, Apple, Google Play, Business portal, or API