As of July 2026, ChatGPT offers the Go plan at $8 per month and the Plus plan...

https://tiny-wiki.win/index.php/When_is_Paying_for_GPT-5.5_Worth_it_Compared_to_Mini_Models%3F

As of July 2026, ChatGPT offers the Go plan at $8 per month and the Plus plan for $20 monthly. Go users in the US will see ads during chats, so it’s not completely ad-free