In distinction, no cost tier end users don't have any preference over which product they might use. OpenAI say it will eventually default to applying ChatGPT-4o with a limit on the volume of messages it could send. If ChatGPT-4o is unavailable then totally free people default to using ChatGPT-4o mini. https://case-study-help89819.nizarblog.com/36777540/hbs-case-study-writing-help-for-dummies