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

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

Learn More It’s here: OpenAI has announced the release of GPT-4.5, a research preview of its latest and most powerful large language model (LLM) for chat applications — yet pointedly, the company says ...

OpenAI first teased o3 in December and launched o3-mini in January. When GPT-5 is available, Altman says that free ChatGPT users will get “unlimited chat access” at “the standard ...

Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select ...

Welcome to Neural. AI moves fast. We help you keep up. OpenAI has officially unveiled GPT-4.5, the latest version of the fastest ...

OpenAI CEO Sam Altman has announced that GPT-4.5 will "likely" begin rolling out to ChatGPT Plus subscribers "over a few days" rather than all at once. You'll just have to continue being patient.

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More OpenAI’s ChatGPT has surpassed 400 million weekly active users, a ...

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 ...