ChatGPT offers a permanent Free plan available to all users at any time....

https://wakelet.com/wake/PaquJ1c9BqlCq4-gr-y-Z

ChatGPT offers a permanent Free plan available to all users at any time. Occasionally, targeted users may get a free trial of the ChatGPT Plus plan. Some trials require a credit card and auto-renew into a paid subscription once the trial ends