OpenAI GPT-4.5 System Card

T1Covered by 1 source · first reported by OpenAI News at 27 Feb 2025, 12:00 UTC

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

ai

Sources

• T1OpenAI GPT-4.5 System CardOpenAI News27 Feb 2025, 12:00