Elon Musk says Grok 4.5 is in private beta at SpaceX and Tesla, built on a 1.5T model with Cursor data—see what it means for ...

Elon Musk's xAI company has launched its newest AI model, Grok 4. During the livestream, Musk showed off the latest Grok ...

Elon Musk escalated tensions in the critical artificial intelligence race Thursday, asserting his most advanced AI model, Grok 4 Heavy, was already outperforming OpenAI’s newly launched GPT-5 two ...

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 ...

Is Grok 4.2 the most intelligent coding model we’ve seen yet? With its release in January 2026, this AI powerhouse has already sparked conversations across the tech world. In this comparison, World of ...