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

Some researchers think OpenAI's giant and expensive latest model is a sign that tech companies cannot keep making progress by ...

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 ...

Earlier this month, OpenAI CEO Sam Altman shared a roadmap for its upcoming models, GPT-4.5 and GPT-5. In the X post, Altman ...

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

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

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

ChatGPT is getting even smarter. OpenAI has unveiled its latest model, GPT-4.5. The new model is already available to ChatGPT ...

ChatGPT developer OpenAI said on Thursday it has released a research preview of its latest GPT-4.5 model for its Pro users ...

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

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

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