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

https://raymondsinterestingchat.quantlynix.com/posts/what-s-the-fastest-way-to-see-if-my-account-has-any-chatgpt-trial-banner

ChatGPT offers a permanent Free plan anyone can use without time limits. Occasionally, targeted users may get a free trial of the Plus plan, which sometimes requires a card and auto-renews after the trial ends