ChatGPT offers a permanent Free plan with basic features available to everyone....

https://www.beacon-bookmarks.win/chatgpt-offers-a-permanent-free-plan-that-anyone-can-use-without-a-time-limit

ChatGPT offers a permanent Free plan with basic features available to everyone. Occasionally, targeted users may get a Plus plan trial, which sometimes requires a payment card and auto-renews when the trial ends