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

https://oscar-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 time limits. Plus trials are occasional, targeted promotions that may require a payment method and auto-renew when the trial ends