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

https://www.acid-bookmarks.win/chatgpt-offers-a-permanent-free-plan-with-basic-access-for-all-users

ChatGPT offers a permanent Free plan anyone can use without a time limit. Occasionally, targeted promotions provide a free trial for the Plus plan, which may require a payment card and auto-renews when the trial ends