In contrast, cost-free tier customers don't have any alternative over which design they will use. OpenAI say it will default to working with ChatGPT-4o having a limit on the amount of messages it might deliver. If ChatGPT-4o is unavailable then no cost end users default to utilizing ChatGPT-4o mini. The https://chatgpt10864.wikicorrespondent.com/5724644/little_known_facts_about_chat_gvt