The new model offers performance improvements in reasoning, multimodal understanding and more.

OpenAI's new GPT-5.4 mini model offers performance improvements in reasoning, multimodal understanding and more.
Opinion

OpenAI’s First-Mover Disadvantage

A year ago, OpenAI’s ChatGPT was a generic name, the Coke or Kleenex of generative-AI chatbots. Today, its competitors, especially Anthropic’s Claude, are advancing quickly. OpenAI’s fall from favor ...
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OpenAI's Latest AI Models Are Built for Speed

OpenAI's Latest AI Models Are Built for Speed ...

OpenAI releases GPT-5.4 mini and nano, its ‘most capable small models yet’

OpenAI continues to ship new models with the release of GPT-5.4 mini and nano, its “most capable small models yet.” ChatGPT users can start using GPT-5.4 mini today. These flavors of GPT-5.4 are ...

OpenAI's GPT-5.4 mini and nano launch - with near flagship performance at much lower cost

OpenAI's GPT-5.4 mini and nano launch - with near flagship performance at much lower cost ...