ChatGPT Plus is advertised at $20 a month, but the actual price you pay can...

https://www.bookmark-step.win/chatgpt-plus-is-listed-at-20-per-month-but-the-actual-price-you-pay-can-range-2

ChatGPT Plus is advertised at $20 a month, but the actual price you pay can vary between about $13 and $27