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

https://holdensimpressivethoughts.lumenforgex.com/posts/what-are-the-three-ways-a-chatgpt-trial-can-reach-you

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