ChatGPT offers a free plan that’s available to all users with no time limit....

https://zoom-wiki.win/index.php/ChatGPT_Plus_Free_Trial_vs_Free_Plan:_What%E2%80%99s_the_Difference%3F

ChatGPT offers a free plan that’s available to all users with no time limit. Occasionally, targeted users may get a Plus trial, which can require a card and auto-renews unless canceled