ChatGPT offers a permanent Free plan available to all users with basic access....

https://www.bookmarkidea.win/chatgpt-offers-a-permanent-free-plan-with-basic-access-occasionally-targeted

ChatGPT offers a permanent Free plan available to all users with basic access. Occasionally, targeted promotions include free trials for the ChatGPT Plus plan, which may require a payment card and auto-renew after the trial ends