Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.

Elon Musk says his new AI model ‘better than PhD level in everything’ - The billionaire SpaceX and Tesla boss was speaking at the launch of the latest version of his company xAI’s flagship model.

As xAI builds a vision-enhanced successor to Grok 4, Elon Musk suggested the AI may soon be capable of discovering new physics.

AI has officially lunched Grok 4 during a livestream with Elon Musk, who called it the "smartest AI in the world."

Elon Musk’s AI tool Grok, which was built to reduce the spread of misinformation on the social media platform formerly known as Twitter, is pointing the finger squarely at its own creator, and ...