Grok 4 was released approximately one day after xAI addressed and deleted inappropriate posts by the chatbot on X, which included antisemitic remarks.

Elon Musk denies xAI's fundraising, but the potential $200 billion valuation shows rapid growth and ambition in AI.

CEO Elon Musk's xAI is reportedly preparing to hold another formal funding round to reach a valuation surpassing $200B, according to the Financial Times.

The new hires are joining OpenAI’s scaling team, according to an internal Slack message sent by cofounder Greg Brockman.

Tesla bull Dan Ives on Tuesday proposed a merger even more colorful than his clothes, when he sketched out a scenario whereby the carmaker could buy xAI. Why it matters: This could create a viable rival to OpenAI and Big Tech incumbents like Meta and Microsoft,

Finnish e-motor startup Donut Lab raised €25 million ($29.2 million) in a seed funding round led by Risto Siilasmaa, the founder of cybersecurity company WithSecure (formerly F-Secure). Risto has also joined Donut Lab’s board.

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

Tesla has scheduled an annual shareholders meeting for November, one day after the electric vehicle company came under pressure from major shareholders to do so.

Elon Musk kicked off an earnings call for Tesla by putting worried investors at ease: He said that he would be spending more time at the company, following months of distraction in Washington, D.C.