Ruddarraju, head of infrastructure engineering at Elon Musk’s xAI, resigned after a year. He built Colossus, a supercomputer with 250,000 GPUs, and trained Grok 3 ...

Grok 4 AI chatbot by xAI surprises experts by searching Elon Musk’s opinions before answering, raising concerns over ...

Elon Musk has investments in two private companies which are xAI and SpaceX. Together, they are work at least $215 billion.

Elon Musk-owned social media platform X (formerly Twitter) has cut subscription rates for its X Premium service in India by ...