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

https://www.bookmark-help.win/chatgpt-offers-a-free-plan-that-anyone-can-use-with-no-time-limit

ChatGPT offers a permanent Free plan with basic access for all users. Occasionally, targeted users can try ChatGPT Plus through limited free trials, which may require a payment method and auto-renew afterward