To cancel your ChatGPT subscription, make sure you do so through the same...

https://sierra-wiki.win/index.php/I_Canceled_ChatGPT_But_Got_Charged_Again_-_What_Are_the_Real_Causes%3F

To cancel your ChatGPT subscription, make sure you do so through the same billing channel you used to subscribe—whether that’s the web, Stripe, Apple, Google Play, Business, or API