ChatGPT offers a free plan that anyone can use without time limits....

https://qqpipi.com//index.php/How_Do_I_Know_If_My_ChatGPT_Trial_Will_Auto_Renew_and_Charge_Me%3F

ChatGPT offers a free plan that anyone can use without time limits. Occasionally, targeted users may get a Plus plan trial, which sometimes requires a payment card and auto-renews after the trial ends