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OpenAI GPT-4.5 System Card

OpenAI releases GPT-4.5 as a research preview, describing it as its largest and most knowledgeable model to date.

Feb 27 · 13:00:00 · primary fetch1 sourceupdated Feb 27 · 13:00:00

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

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