OpenAI has launched a new 'reasoning' AI model, o3-mini, the successor to the AI startup's o1 family of reasoning models.

Much like o1-mini, this latest model will show how it worked out an ... in ChatGPT by selecting the Reason feature in the chat bar, and the rate limits will be similar to the existing GPT-4o ...

On Friday, OpenAI made o3-mini, the company’s most cost-efficient AI reasoning model so far, available in ChatGPT and the API. OpenAI previewed the new reasoning model last December, but now all ...