xAI Burned $6.4B Last Year. Anthropic Is Paying $1.25B a Month to Keep It Running
TL;DR
- xAI lost $6.36B on $3.2B revenue in 2025. Losses quadrupled while revenue grew 22% - Anthropic pays xAI $1.25B/month for Colossus/Colossus II compute through May 2029. That's $15B in guaranteed revenue buried in the S-1 - SpaceX is effectively cross-subsidizing
