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 artificial intelligence company, xAI, said that its Grok chatbot relied too heavily on input from users of his social media platform X after a code update, causing it to share a series of...

Nevertheless, according to Grok’s logic, if somebody falls into a “good” racial category and is male, then he must be a “good scientist.”

Musk has repeatedly mobilized his business empire to boost the AI startup, which is racing to catch up with OpenAI.