Earlier this month, SpaceX and Anthropic announced a new compute partnership that provides access to the rocket company's Colossus data centers in Memphis, TN. Now, with the release of SpaceX's IPO filing, we have more details about that deal, including how much Anthropic is paying to Elon Musk's company. In its S-1 filing, SpaceX said that Anthropic agreed to pay $1.25 billion per month through May 2029 for access to SpaceX's AI training centers at Colossus I and Colossus II. That's $15 billio