Sam Altman, CEO of OpenAI, at the Hope Global Forums annual meeting in Atlanta on Dec. 11, 2023.Dustin Chambers | Bloomberg | Getty ImagesOpenAI on Monday launched a new AI model and desktop version of ChatGPT, along with a new user interface.The update brings GPT-4 to everyone, including OpenAI's free users, technology chief Mira Murati said in a livestreamed event. She added that the new model, GPT-4o, is "much faster," with improved capabilities in text, video and audio."This is the first tim...