Sam Altman’s OpenAI launches GPT-4.5 with fewer ‘hallucinations’ as AI race heats up admin 4 hours ago News 1 Comments Off on Sam Altman’s OpenAI launches GPT-4.5 with fewer ‘hallucinations’ as AI race heats up 0 Views Sam Altman’s OpenAI released GPT-4.5, an upgraded version of the artificial intelligence model that powers ChatGPT, to select users on Thursday. Share Facebook Twitter Stumbleupon LinkedIn Pinterest