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

https://www.toro-bookmarks.win/chatgpt-offers-a-permanent-free-plan-anyone-can-use-without-time-limits

ChatGPT offers a permanent Free plan with basic access for all users. Occasionally, targeted promotions provide a free trial of ChatGPT Plus, which may require a payment card and auto-renews when the trial ends