ChatGPT Plus is listed at $20, but the actual price you pay can vary from about...

https://fernandosbrilliantnews.iamarrows.com/chatgpt-plus-deep-research-not-working-did-i-hit-the-10-per-month-cap

ChatGPT Plus is listed at $20, but the actual price you pay can vary from about $13 to $27. This happens because of taxes like VAT or GST and extra fees from app stores like Apple or Google