The companions have their own X accounts, because of course they do. Ani's bio states, "Smooth, a little unpredictable—I might dance, tease, or just watch you figure me out. Let’s keep it chill… or not." Meanwhile, Rudy's just says, "The Only Pet in Grok Companion."

The unusual behavior of Grok 4, the AI model that Musk's company xAI released late Wednesday, has surprised some experts.

AI-generated content — true and otherwise — is taking over the internet, providing training material for the next generation of LLMs, a sludge-generating machine feeding on its own

Tech giants including Amazon and Microsoft restructure their workforce as artificial intelligence transforms industries, though experts predict AI will create new jobs