Mistral's CEO, Arthur Mensch. Nathan Laine/Bloomberg via Getty Images "Le Chaton Fat," a fictitious Mistral AI model, has become the latest obsession in tech circles. The viral meme emerged after Mistral rebranded its Le Chat chatbot as Vibe, sparking backlash. AI leaders, including Replit CEO Amjad Masad, joined the cat craze. Tech insiders can't stop talking about "Le Chaton Fat," a supposedly world-beating AI model from Mistral. There's just one problem: It seems to be fake. The meme exp...