OpenAI rolled out a research preview of GPT-4.5, it's "largest and most knowledgeable model yet," on Thursday.

Its GPT-4.5 model is also better able to recognize patterns, draw connections and think more creatively, according to the ...

PT: Hours after GPT-4.5's release, OpenAI removed a line from the AI model's white paper that said "GPT-4.5 is not a frontier ...

OpenAI does say that 4.5 is its “most knowledgeable model yet.” It also requires massive amounts of compute. CEO Sam Altman says it’s “a giant, expensive model.” As a result, it’s only launching to ...

OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview ...

The model outperformed GPT-4o and OpenAI's o1 and o3-mini reasoning models. However, it fell short when compared to ...

OpenAI has launched GPT-4.5, its most advanced model yet, enhancing pattern recognition and creative insight without ...

OpenAI has unveiled its latest and most advanced AI model yet, GPT-4.5. Internally, it is code-named 'Orion.' The new model ...

In a livestream today, OpenAI finally announced the launch of its GPT-4.5 model, but with a twist: For now, using it requires ...

GPT-4.5 is a bridge to the GPT-5 initiative, not a reasoning model itself. OpenAI said its answers more convincingly engage with human emotion.

Confused about which AI model to use? Check out this comprehensive list of the most advanced models out there.

Mark Chen is the chief research officer at OpenAI and he talks about the debut of GPT 4.5 in a video below. The OpenAI newest largest model is going live today.