A TIME investigation reveals data tying Musk’s AI data center to pollution surges in a historically Black Memphis area.

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

AI has made Grok 4 available to all users with generous usage limits for a limited time, while access to the more advanced ...

AI opens Grok 4 free tier with usagecap as GPT-5 generates backlash. Musk steps up AI competition amid moderation concerns.

AI has made Grok 4 freely accessible to all users globally, but the more advanced model, Grok 4 Heavy, will be available only ...

Elon Musk’s xAI Holdings Corp. has made the latest version of its artificial intelligence model, Grok 4, free to all users, albeit with usage caps, as controversy continues around OpenAI’s GPT-5 model ...

Elon Musk's xAI has made Grok 4, its advanced AI model, accessible to all users for free for a limited time. While a ...

Built into social media platform X, Grok is Musk’s edgy AI chatbot—real-time, irreverent, and mired in controversy.

Elon Musk’s AI company, xAI, is offering free global access to its newest model, Grok 4, on X. The news has thrilled millions ...

Elon Musk-owned xAI is testing Grok 4.20, a small update to Grok 4, which already competes with GPT-5 in some benchmarks, ...

Elon Musk has criticized OpenAI's new GPT 5, claiming that his AI model, Grok 4, is superior. Musk predicted that Grok 5 ...

The move by xAI indicates it is looking to reach more users while keeping premium features and capabilities locked behind a ...