OpenAI has confirmed that it's retiring ChatGPT's most popular model called GPT-4o and several other models, including GPT-5 ...
In two weeks—on Friday, February 13th—OpenAI will remove the GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini models from ChatGPT. The retirement of these older models is unlikely to affect most ...
UPDATE: Apr. 16, 2025, 2:18 PM EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...