Model WarsFebruary 27, 2025via OpenAI Blog
OpenAI GPT-4.5 System Card
Why it matters
OpenAI's latest model release signals the next phase of capability scaling. Leaders need to understand what's new in reasoning, knowledge, and performance to assess competitive positioning and deployment timelines.
Key signals
- GPT-4.5 announced as research preview
- Positioned as largest and most knowledgeable model to date
- System card released (safety/capability documentation available)
- Released Feb 27, 2025
- Research preview status indicates pre-general availability
The hook
OpenAI just dropped GPT-4.5. Here's what changed.
We’re releasing a research preview of OpenAI GPT‑4.5, our largest and most knowledgeable model yet.
Relevance score:92/100