ChatGPT offers a free plan that anyone can use without time limits....

https://www.pure-bookmark.win/chatgpt-offers-a-permanent-free-plan-anyone-can-use-without-a-trial

ChatGPT offers a free plan that anyone can use without time limits. Occasionally, targeted ChatGPT Plus free trials are available, which may require a payment card and auto-renew into a paid subscription when the trial ends