ChatGPT Plus starts at $20 a month, but what you pay can vary. That’s because...

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

ChatGPT Plus starts at $20 a month, but what you pay can vary. That’s because taxes like VAT or GST depend on where you live. If you subscribe through an app store, they usually add a markup