OpenAI发布O3和O4-Mini，将于今日逐步推出，在API和ChatGPT可用。

Core Insights - OpenAI has released O3 and O4-Mini, which will be gradually rolled out today, available on API and ChatGPT [1] Group 1 - The launch of O3 and O4-Mini signifies OpenAI's continued innovation in artificial intelligence [1] - The availability of these models on API and ChatGPT indicates a strategic move to enhance user accessibility and engagement [1]