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OpenAI News

Leadership updates

OpenAI has grown a lot. We remain focused on the same core—pursuing frontier AI research that accelerates human progress–but we now also deliver products used by hundreds of millions of people.

Models

OpenAI Models

OpenAI News

GPT-4.5 system card

We’re releasing a research preview of OpenAI GPT‑4.5, our largest and most knowledgeable model yet.

Models

OpenAI Models