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

https://www.pfdbookmark.win/chatgpt-offers-a-free-plan-that-s-always-available-with-basic-features

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