Anthropic is paying $15 billion a year for access to Elon Musk’s data centers

SpaceX's IPO filing just revealed the price tag on that Anthropic compute deal announced earlier this month, and it's massive. Anthropic is paying $1.25 billion per month for access to SpaceX's Colossus I and Colossus II data centers in Memphis, Tennessee. That's $15 billion annually through May 2029.

To put that in perspective, SpaceX reported $18.7 billion in total revenue for 2025. This single contract with Anthropic could nearly double that figure, turning Elon Musk's rocket company into a major player in the AI infrastructure game.

The Colossus facilities are SpaceX's AI training centers, purpose-built for the kind of massive compute workloads that frontier AI labs like Anthropic need. This deal gives Anthropic guaranteed access to serious hardware for the next few years, which is critical when you're racing to train increasingly large models.

For anyone tracking the AI infrastructure landscape, this is a big signal. The compute crunch is real enough that Anthropic is willing to commit $15 billion a year to secure capacity. It also shows how companies with existing data center infrastructure (even if it wasn't originally built for AI) can pivot into this market.

The partnership makes strange bedfellows, Musk has his own AI company, xAI, which competes directly with Anthropic. But business is business, and SpaceX clearly sees an opportunity to monetize its infrastructure investments while Anthropic gets the compute it needs to keep building.