SpaceX's S-1 Just Revealed That xAI Is Losing $2.5 Billion Per Quarter. Grok Is the Most Expensive AI Infrastructure Bet in History.
The SpaceX S-1 reveals its AI segment (Grok + X platform + Colossus) posted a $2.5B operating loss in Q1 2026 on $818M revenue. SpaceX is renting most of Colossus 1 to Anthropic while training Grok 5 on Colossus 2. For anyone building on Grok's API, these numbers are the risk signal you need to understand.