ChatGPT Plus has a base price of $20 a month but the final cost changes...

https://www.bookmarkpage.win/chatgpt-plus-has-a-20-list-price-but-the-actual-cost-you-pay-can-range-from

ChatGPT Plus has a base price of $20 a month but the final cost changes depending on your country and device. That’s because taxes like VAT or GST get added based on where you live