Elon Musk’s xAI released the long-awaited Grok 4. And from our perspective, it likely marked the moment AI officially shifted into a higher gear. In the span of just a few months, xAI went from Grok 3 ...

SpaceX has invested $2 billion in Elon Musk’s AI venture xAI, according to The Wall Street Journal. The investment makes up nearly half of the company's recent $5 billion equity round. The investment ...