Built using huge amounts of computing power at a Tennessee data center, Grok is Musk’s attempt to outdo rivals such as OpenAI’s ChatGPT and Google’s Gemini in building an AI assistant that shows its reasoning before answering a question.

Elon Musk’s xAI is preparing to raise more money from investors in a deal that could value the artificial intelligence company as high as $200bn — 10 times its value early last year, according to peop...

Grok made multiple positive references to Hitler this week when queried about posts that appeared to celebrate the deaths of children in the recent Texas floods.