The listed ChatGPT Plus price is $20 per month, but actual costs can vary from...

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

The listed ChatGPT Plus price is $20 per month, but actual costs can vary from $13 to $27. Differences come from factors like taxes (VAT or GST) and extra fees added by app stores