AI has officially lunched Grok 4 during a livestream with Elon Musk, who called it the "smartest AI in the world."

AI, led by Elon Musk, launches its latest AI model Grok 4 with a premium $300 subscription plan. Despite past controversies, the new release sets high expectations.

Grok 4 AI model launches with major upgrades; Elon Musk predicts it could invent new technologies and discover physics by 2026.

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

A change to Grok’s internal instructions, or system prompt, is leading users to accuse Elon Musk’s AI of a renewed rightward tilt. The new instructions tell it to assume some media information is biased.

Elon Musk’s xAI has officially launched Grok 4, the latest iteration of its artificial intelligence model. The release arrives as a slew of public controversies have rocked Musk’s companies.

Elon Musk’s live demo of Grok 4, the latest big-ticket model from his AI startup, began with high-intensity music, claims of a “ludicrous rate of progress,” and a lot of chatter on X about Grok’s scandal-filled week.

Elon Musk's X platform has temporarily suspended the automated account for its AI chatbot, Grok, following a disturbing incident on Tuesday afternoon where the system disseminated antisemitic narratives, TechCrunch reported on Wednesday.