Checkmate: OpenAI's o3 swept Musk's Grok 4 in an AI chess showdown.

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

When xAI unveiled Grok 4 last month, Musk described it as "the world's most powerful AI model," claiming it outperformed ...

Elon Musk-owned xAI has officially made the latest version of its AI model, Grok 4, freely accessible to all users worldwide.

AI has made its AI model Grok 4 accessible to all users, expanding from its initial paid-only release. A global rollout ...

OpenAI's o3 and xAI's Grok 4 faced off in Google's new Kaggle Game Arena, and the final results weren't even close. o3 won ...

Elon Musk’s AI company, xAI, has announced that its newest artificial intelligence model, Grok 4, is now available for free ...

In a surprising turn of events, OpenAI's o3 defeated xAI’s Grok 4 in Google’s Kaggle Game Arena chess competition, securing a clean 4-0 victory.

Grok 4 had lower lmarena scores than I had projected based upon the amount AI training compute used. I had projections for ...

Grok's inflammatory posts came days before xAI launched the next version of the chatbot, Grok 4, which touts improved reasoning abilities. The latest version of the AI chatbot has a favorite source on ...

xAI’s latest frontier model, Grok 4, has been released without industry-standard safety reports, despite the company’s CEO, Elon Musk, being notably vocal about his concerns regarding AI safety.

The xAI artificial intelligence startup founded by Elon Musk has released a new chatbot model, Grok 4, a few months after Grok 3. The update has enhanced multimodal performance and a voice ...