Grok 4 has been announced as Elon Musk's AI company seeks to take on OpenAI and preempt the launch of the GPT-5 model.

Trained on xAI’s Colossus supercomputer, Grok 4 is positioned to outperform existing models such as GPT-3 and Gemini 2.5 Pro across key benchmarks.

Elon Musk’s xAI launched Grok 4, the latest generation of its AI models, intensifying its competition with rivals OpenAI, Google and Anthropic. In an hourlong livestream Wednesday night, Musk said ...

Elon Musk’s xAI has launched its latest AI model, Grok 4, alongside a $300 per month “SuperGrok Heavy” plan. Musk claims Grok ...

Yaccarino’s departure comes as X integrates more closely with Musk’s AI startup, xAI and its Grok chatbot, which has come ...

Elon Musk's Generative AI company xAI has unveiled Grok 4, the latest AI model with new features.Musk claimed that the Grok 4 ...

Correspondent Ronny Chieng clowned the billionaire after his artificial intelligence chatbot went "full Nazi" on him.

The latest generation of Grok models are xAI’s answer to the frontier models from OpenAI, Google, and Anthropic.