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

https://wiki-stock.win/index.php/Who_Counts_as_Eligible_for_the_US_Service_Member_ChatGPT_Plus_Offer%3F

ChatGPT offers a permanent Free plan anyone can use without a trial. Occasionally, OpenAI runs targeted promotions for ChatGPT Plus free trials, which may require a card and will auto-renew into a paid subscription unless canceled