Elon Musk’s artificial intelligence startup xAI is rolling out Grok 4 just months after releasing its previous iteration.

Elon Musk’s xAI launches Grok 4: a supercharged, meme-savvy AI challenger to GPT-5 and Gemini, now with real-time web smarts.

Elon Musk’s AI chatbot Grok, designed to be ‘unfiltered’, has sparked global backlash over some of its responses.

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 artificial intelligence venture, xAI, captured attention on Wednesday with the unveiling of its newest AI model, ...

The world’s wealthiest person says Grok 4 is ‘smarter than almost all graduate students, in all disciplines, simultaneously’.

The xAI artificial intelligence startup founded by Elon Musk has released a new chatbot model, Grok 4, a few months after ...

Elon Musk’s artificial intelligence start-up xAI is rolling out Grok 4 just months after releasing its previous iteration.

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.

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

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 ...