Elon Musk’s artificial intelligence start-up xAI is rolling out Grok 4 just months after releasing its previous iteration.

Grok, the AI chatbot launched by billionaire Elon Musk, has declined in usership throughout 2026 so far across both mobile apps and website visits, according to data from Similarweb, as many of the ...

With all the AI news coming out each week, some of the more significant advancements can be hard to track. Grok 4 Fast is streamlined version of xAI's flagship Grok 4 model released back in July 2025.

I thought it’d been too quiet over on the Elon Musk Appreciation App, X. Other than a Grok blunder, Musk has been lying a little lower than usual since his ousting from the White House. Now, he’s ...