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

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

OpenAI is rolling out its latest GPT-4.5 model to ChatGPT Plus members today after ChatGPT Pro members and developers got ...

If a partner made stuff up a third of the time, it would be a problem — but apparently, it's perfectly fine for OpenAI's new ...

OpenAI has begun rolling out its newest and largest AI model, GPT-4.5, to users on the company's ChatGPT Plus tier.

When it becomes available in your account, GPT-4.5 will be one of the many options nestled in the model dropdown menu that appears when you click the word ChatGPT at the top of the screen.

OpenAI’s GPT-4.5 faces backlash over high costs, limited improvements, and rising competition from open-source AI models.

OpenAI CEO Sam Altman said that the company was forced to stagger the rollout of its newest model, GPT-4.5, because OpenAI is ...

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

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take "1-3 days," and that it expects rate ...