ChatGPT Plus is listed at $20 per month, but you might pay between $13 and $27...

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

ChatGPT Plus is listed at $20 per month, but you might pay between $13 and $27 depending on where you subscribe. Differences come from taxes like VAT or GST and fees added by app stores such as Apple or Google