OpenAI is retiring famous GPT-4o model, says GPT 5.2 is good enough

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. In a support document, OpenAI confirmed that it made the ultim...