ChatGPT Plus has a $20 list price, but the actual cost you pay can range from...

https://www.bookmarkmaster.win/the-listed-price-for-chatgpt-plus-is-20-a-month-but-the-actual-cost-you-pay

ChatGPT Plus has a $20 list price, but the actual cost you pay can range from about $13 to $27. This difference happens because of local taxes like VAT or GST and fees added by app stores like Apple or Google