Built using huge amounts of computing power at a Tennessee data center, Grok is Musk’s attempt to outdo rivals such as OpenAI ...

AI raised $10 billion through loans and cash investments in July, split evenly between debt and equity. In June it sold $300 million worth of shares in a secondary stock offering.

Listen to Story Elon Musk unveils Grok 4, xAI’s advanced AI model, claiming PhD-level intelligence Grok 4 excels in solving complex engineering problems and outperforms rivals in academic tests ...