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

https://wiki-byte.win/index.php/Does_a_ChatGPT_Trial_Delete_Anything_If_I_Don%E2%80%99t_Upgrade_Afterward%3F

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