ChatGPT offers a permanent Free plan with basic features available to all...

https://wiki-zine.win/index.php/If_I_Cancel_ChatGPT_Plus_During_the_Trial,_Do_I_Keep_Access_Until_the_End_Date%3F

ChatGPT offers a permanent Free plan with basic features available to all users. Occasionally, targeted promotions provide a trial of the Plus plan, which may require a card and auto-renews unless canceled