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.

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

OpenAI today introduced the next iteration of its AI models, GPT-4.5. GPT-4.5 is OpenAI's "best model yet" for chat purposes, ...

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

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