Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select users on Thursday as it looks to stave off challenges from rivals like Elon Musk’s xAI.

OpenAI CEO Sam Altman said that the company was forced to stagger the rollout of its newest model, GPT-4.5, because OpenAI is 'out of GPUs.'

OpenAI has officially launched GPT-4.5, an advanced AI model that the company claims is more emotionally intelligent and less prone to hallucination. The model, which is now available to ChatGPT Pro users at $200 per month,

You can’t find a new Nvidia graphics card for love nor money. Between pent-up demand from PC gamers and Nvidia selling every GPU it can to the bubbling AI industry, new models are going out of stock in a matter of minutes — and it looks like the situation isn’t going to improve any time soon,