ChatGPT offers a permanent Free plan anyone can use without a trial....

https://future-wiki.win/index.php/Does_ChatGPT_Free_Ever_Expire_or_Turn_Into_a_Paid_Plan_Automatically%3F

ChatGPT offers a permanent Free plan anyone can use without a trial. Occasionally, targeted users get a free trial of the Plus plan, which may require a card and auto-renews after the trial ends