The company told workers to download employee tracking software on their personal computers, prompting privacy concerns from some staff.

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 faced internal backlash after Grok's antisemitic posts. Workers demanded answers — and one said they would quit.

Elon Musk's plans to ship an overseas power plant to Memphis for an xAI supercomputer raise both interest and environmental concerns.

The Indian-origin head of infrastructure engineering at Elon Musk's artificial intelligence company xAI has resigned to join OpenAI.

The unusual behavior of Grok 4, the AI model that Musk's company xAI released late Wednesday, has surprised some experts.

Elon Musk released the newest artificial intelligence model from his company xAI on Wednesday night. In an hour-long public reveal session, he called the model, Grok 4, “the smartest AI in the world” and claimed it was capable of getting perfect SAT scores and near-perfect GRE results in every subject,