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

https://garrettsinsightfulchat.wordcanopy.com/posts/is-there-a-real-chatgpt-plus-promo-code-box-anywhere

ChatGPT offers a permanent Free plan anyone can use without a time limit. Occasionally, targeted users get a free trial of the Plus plan, which may require a payment card and auto-renews unless canceled