(Bloomberg) — Elon Musk revealed his own artificial intelligence bot to challenge ChatGPT, claiming the prototype is already superior to ChatGPT 3.5 across several benchmarks. Most Read from Bloomberg Dubbed Grok, it’s the first product of Musk’s xAI company and is now in testing with a limited group of US users. Grok is being developed with data from Musk’s X, formerly Twitter, and is thus better informed on the latest developments than alternative bots with static datasets, the company’s website said. It’s also designed to answer “with a bit of wit and has a rebellious streak,” according to the announcement....