OpenAI has confirmed that it's retiring ChatGPT's most popular model called GPT-4o and several other models, including GPT-5 Instant, GPT-5 Thinking, GPT-4.1, GPT-4.1 mini, and o4-mini.
ChatGPT was extremely helpful during my first IVF cycle. It helped me make sense of all the acronyms and understand the timeline, and I was able to ask for advice along the way. I always made sure to ...
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