Musk Hints at Grok 4.2 After Microsoft Adds Grok 4.1 to Copilot
Microsoft rolled out Grok 4.1 Fast, an xAI model, to its Copilot Studio in preview for U.S. organizations. Elon Musk quickly replied to Microsoft CEO Satya Nadella online, teasing an imminent Grok 4.2 release without specifics.