Elon Musk and xAI employee announced on Wednesday night the launch of the startup's next flagship AI model, Grok 4.

On paper, Grok 4 is Musk’s most ambitious AI model yet. The model is expected to rival OpenAI’s GPT-5 and Anthropic’s Claude 4 Opus, both of which have recently dominated headlines for their real-time ...

Elon Musk might've split from OpenAI after initially funding it, but he seems to have created a viable competitor just years ...