Elon Musk is requiring banks and other advisers working on SpaceX’s planned IPO to buy subscriptions to Grok, his artificial intelligence chatbot , the New York Times reported Friday, citing people familiar with the matter. Some banks have agreed to spend tens of millions of dollars a year on the chatbot and have begun integrating it into their IT systems, the report said. Morgan Stanley, Goldman Sachs, JPMorgan Chase, Bank of America and Citigroup are serving as active bookrunners, or the lead