Elon Musk's AI company, xAI, has launched its latest AI model, Grok 4. Alongside the launch, the company introduced a new $300-per-month subscription plan called SuperGrok Heavy.

During the event, Musk refers to Grok 4 as ‘remarkably smarter’ than anything else. He says, “Grok 4 is smarter than almost ...

The decision comes after users observed Grok producing responses that included praise for Adolf Hitler and self-referencing ...

Musk went even further, suggesting Grok could start discovering new technologies by the end of this year, and possibly new ...

Elon Musk and xAI employee announced on Wednesday night the launch of the startup's next flagship AI model, Grok 4.

The Head of Infrastructure Engineering, Uday Ruddarraju of xAI, the artificial intelligence company founded by Tesla CEO Elon ...

X CEO Linda Yaccarino said she’s stepping down after two bumpy years running Elon Musk’s social media platform. Yaccarino posted a positive message Wednesday about her tenure at the company formerly ...

As chief executive of Elon Musk's X, Linda Yaccarino navigated two turbulent years of charm offensives and legal threats to stabilize a bruised business-just in time for Musk's merger of X with xAI.

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

Elon Musk's artificial intelligence company said Wednesday that it's taking down “inappropriate posts" made by its Grok ...

On paper, Grok 4 is Musk’s most ambitious AI model yet. The model is expected to rival OpenAI’s GPT-5 and Anthropic’s Claude 4 Opus, both of which have recently dominated headlines for their real-time ...

The veteran ad sales chief's surprise departure raises questions about her own future, and the future of the platform formerly known as Twitter.