OpenAI just launched GPT 5.4 mini and nano models which are now live in the API, Codex, and ChatGPT with improved coding capabilities.

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

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An analysis of ChatGPT conversations found the default and premium models cite almost entirely different sources for the same ...

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It has strong reasoning, but it sometimes answers questions you didn't ask. Formatting and image generation lag behind the ...

The latest model from OpenAI comes just days after the company launched GPT-5.3 Instant.

OpenAI has introduced GPT-5.4, the latest upgrade powering ChatGPT with a new “Thinking Mode,” better reasoning, and ...

OpenAI has launched GPT-5.4, a new version of its artificial intelligence model, in ChatGPT. The company says the model is ...

GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.

After a public roasting in Anthropic's Super Bowl ad and across social media, OpenAI introduces a new model that cuts down on ...