ChatGPT offers a free plan that’s available to all users with no time limit....

https://www.bright-bookmarks.win/chatgpt-offers-a-permanent-free-plan-anyone-can-use-without-time-limits

ChatGPT offers a free plan that’s available to all users with no time limit. Occasionally, targeted users may get a Plus trial, which can require a card and auto-renews unless canceled