ChatGPT Plus has a listed price of $20 per month, but the actual amount you pay...

https://delta-wiki.win/index.php/What_Do_You_Get_with_ChatGPT_Plus_in_2026%3F

ChatGPT Plus has a listed price of $20 per month, but the actual amount you pay can range from about $13 to $27. This variation happens because of things like taxes (VAT or GST) and extra fees added by app stores such as Apple’s or Google’s