Elon Musk's frontier generative AI startup xAI formally opened developer access to its Grok 4.1 Fast models last night and introduced a new Agent Tools API—but the technical milestones were ...

On Wednesday night, Elon Musk unveiled xAI’s latest flagship models Grok 4 and Grok 4 Heavy via livestream, just one day after the company’s Grok chatbot began generating outputs that featured ...

Elon Musk’s xAI launched Grok 4 on Wednesday night, the latest and most advanced version of its flagship artificial intelligence model, which the billionaire claimed was smarter than all its top ...

Undeterred by the previous iteration of his “anti-woke” AI chatbot Grok running amok on X on Tuesday, adopting Nazi talking points, declaring itself “MechaHitler,” and authoring graphic scenes of ...

Elon Musk unveiled Grok 4, the latest version of his AI chatbot, claiming it's the "smartest AI in the world." This launch follows controversial posts from Grok praising Hitler, which Musk did not ...

Update: A day after this article was published, xAI unveiled Grok 4.1 access through its API for $0.20 per 1 input million tokens (or $0.05 for cached input) and output tokens at $0.50 per million, ...

Theo-gg who has been critical of XAI in the past, confirms that XAi Grok 4 is the top model. However, Grok 4 is slow and is not the best at coding yet. It is also expensive because of the volume of ...

When xAI's Grok 4 chatbot was launched Wednesday, users and media outlets quickly began pointing out examples of it consulting its owner Elon Musk's views on controversial matters. CNBC was able to ...

The more powerful AI model from xAI, Grok 4, has been unveiled by the company to usher in a new era for its machine learning services as part of its massive plans. There are two models introduced by ...

In the ever-expanding universe of artificial intelligence, two major contenders have emerged in 2025, sparking debates among tech enthusiasts, creators, and curious minds alike. ChatGPT by OpenAI and ...

Grok 4 had lower lmarena scores than I had projected based upon the amount AI training compute used. I had projections for Grok 3.5 which was renamed Grok 4. We do not have elo lmarena score for Grok ...