But it could be the last release in OpenAI's classic LLM lineup.

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 researchers said the new model was the company’s “best chat model yet,” citing an improved knowledge base and better ...

OpenAI's next major AI model, GPT-4.5, is highly persuasive, according to the results of OpenAI's internal benchmark ...

The unexpected shortage 'isn't how we want to operate,' says CEO Sam Altman, but OpenAI presses ahead with the launch of a ...

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

Welcome back to Week in Review. This week we’re diving into OpenAI’s newest, biggest model GPT-4.5, Microsoft pulling the ...

OpenAI just introduced GPT-4.5, calling it the most human-like AI yet. According to OpenAI’s CEO Sam Altman, the model ...

Internally called Orion, GPT-4.5 is OpenAI’s largest model to date, and it’s first available through the company’s $200 ...

OpenAI today introduced the next iteration of its AI models, GPT-4.5. GPT-4.5 is OpenAI's "best model yet" for chat purposes, ...

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

After GPT-4.5, subsequent models updates will incorporate OpenAI's o-series reasoning capabilities into one simplified ...