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

https://suprmind.ai/hub/chatgpt/pricing/chatgpt-plus-price/

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