ChatGPT offers a permanent Free plan anyone can use without time limits....

https://alpha-wiki.win/index.php/If_My_Trial_Needs_a_Card,_Will_It_Charge_Exactly_on_the_End_Date%3F

ChatGPT offers a permanent Free plan anyone can use without time limits. Occasionally, targeted Plus plan trials are available, which may require a payment card and will auto-renew unless canceled