ChatGPT Plus lists at $20 a month but your actual cost can be higher depending...

https://bravo-wiki.win/index.php/How_Many_Files_Can_I_Keep_in_a_ChatGPT_Project%3F_Comparing_ChatGPT_Free_and_Plus_Limits

ChatGPT Plus lists at $20 a month but your actual cost can be higher depending on where you live and how you subscribe. That’s because local taxes like VAT or GST get added, plus app stores may tack on their own fees