ai Source: OpenAI News
📅 13 September 2026 at 04:31 PM UTC

OpenAI GPT-4.5 System Card

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⚡ Executive Takeaways & Intelligence Summary
We’re releasing a research preview of OpenAI GPT‑4.5, our largest and most knowledgeable model yet.
Publication Reference: https://openai.com/index/gpt-4-5-system-card
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