xAI introduces Grok 4, trained on its Colossus supercomputer, featuring multimodal tools, faster reasoning, Grok 4 Voice, Grok 4 Code, a new interface, and more (Amanda Caswell/Tom’s Guide)

Amanda Caswell / Tom's Guide:
xAI introduces Grok 4, trained on its Colossus supercomputer, featuring multimodal tools, faster reasoning, Grok 4 Voice, Grok 4 Code, a new interface, and more  —  Deeper thinking and greater reasoning is promised  —  When you purchase through links on our site, we may earn an affiliate commission.