ChatGPT offers a permanent Free plan anyone can use without time limits....

https://harperscoolthoughts.inkharbory.com/posts/how-do-i-avoid-getting-tricked-by-a-fake-chatgpt-pro-trial-landing-page

ChatGPT offers a permanent Free plan anyone can use without time limits. Occasionally, targeted users may get a Plus free trial, which usually requires a payment card and auto-renews when it ends