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

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 has just released GPT-4.5, a new version of its flagship large language model. The company claims it is its biggest ...

OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days ...

A new study compared four search engines and seven AI chatbots, including ChatGPT and GPT-4, to answer 150 health-related ...

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

Later this year, OpenAI expects to introduce GPT-5 as a single that handles quick chat requests and more intensive reasoning requests without switching models. For now, GPT-4.5 is here to replace ...