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

https://wiki-room.win/index.php/Does_a_Virtual_Card_Work_for_a_ChatGPT_Plus_Trial_or_Will_It_Fail%3F

ChatGPT offers a permanent Free plan anyone can use without time limits. Occasionally, targeted promotions provide a free trial of the Plus plan, which may require a payment card and will auto-renew after the trial ends