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

https://super-wiki.win/index.php/Is_the_ChatGPT_Student_Offer_Actually_a_Free_ChatGPT_Plus_Subscription%3F

ChatGPT offers a permanent Free plan anyone can use without time limits. Occasionally, targeted users get Plus free trials that may require a payment card and auto-renew if not canceled