Musk’s xAI Burns Almost $8 Billion, Reveals Optimus Plan

While Musk runs several separate businesses and projects, he frequently intertwines their purposes and resources. Grok, xAI’s chat bot, has been fully integrated into X, the social network formerly known as Twitter, and is also available in Tesla vehicles. SpaceX, Musk’s rocket company, has already invested in xAI, which in turn has spent hundreds of millions on Tesla Megapack batteries.XAI revenue nearly doubled quarter-over-quarter to $107 million for the three month period ended Sept. 30, 2025, according ...