Elon Musk said on Monday his artificial intelligence firm xAI will open-source "Grok", a chatbot rivaling OpenAI's ChatGPT, this week.Read more: Byju's tells employees to work from home, gives up most office spaces in IndiaThe billionaire's startup launched the AI model to a small group of users last November.In a podcast episode with Lex Fridman, Musk suggested that he liked the concept of open-source AI.