ChatGPT offers a permanent Free plan with basic access for all users....

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

ChatGPT offers a permanent Free plan with basic access for all users. Occasionally, targeted users can try ChatGPT Plus through limited free trials, which may require a payment method and auto-renew afterward