Elon Musk's AI chatbot, Grok, identified him as the biggest spreader of misinformation on X, citing reports from Reuters, CCDH, EDMO, and NewsGuard. Grok's response, which also mentioned Donald Trump and RFK Jr., generated widespread reactions on X, including humor, speculation, and commentary on free speech. Users noted the irony of an AI developed by Musk calling him out, with some deeming the response factually accurate.