ChatGPT Plus lists at $20 per month, but the actual price you pay can vary...

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

ChatGPT Plus lists at $20 per month, but the actual price you pay can vary between $13 and $27 depending on where you subscribe. This difference comes from extra fees like VAT, GST, or app store charges added on top