Openai announced on Thursday that it has launched a research example of its latest AI model, GPT-4.5, for pro users and developers globally, with wider access to be rolled out in the coming weeks.

GPT-4.5 comes with improved ability to recognize patterns, generate creative insight without resonating and showing greater emotional intelligence, the company says.

Microsoft-supported Openai said it would start to roll out GPT-4.5 to Chatgpt Plus and Team users next week and then to Enterprise and EDU users the following week.

CEO Sam Altman called it “a huge, expensive model” in which he said the company ran out of GPU capacity to roll out to user levels at the same time.

“We add tens of thousands of GPUs next week … That’s not how we want to operate, but it’s hard to predict growth waves perfectly leading to GPU deficiency,” he said in a post on X.

Openai said the model also has a lower speed of “hallucinations”, a common problem in which large language models generate false information. At 37.1%, the GPT-4.5’s hallucination rate is compared with the 61.8% shown by GPT-4O and 44% shown by its O1 Reasoning.

GPT-4.5 supports file and image uploads and can also work on writing and coding projects, but does not currently support other advanced features such as voice and video.