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

https://telegra.ph/How-Do-I-Cancel-ChatGPT-Plus-if-I-Paid-on-the-Website-07-12

To cancel your ChatGPT subscription, make sure to do it through the same place you signed up—whether that’s the web, Stripe, Apple App Store, Google Play, Business plan, or API