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

OpenAI's new AI model, announced by CEO Sam Altman, excels in creative writing, particularly in generating fiction. A shared ...

We will no longer ship o3 as a standalone model. The free tier of ChatGPT will get unlimited chat access to GPT-5 at the standard intelligence setting (!!), subject to abuse thresholds.

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

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

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

Musk's artificial intelligence startup, xAI, introduced its latest AI model, Grok 3, on Tuesday, claiming it surpasses ...