Unconfirmed Post Claims 'SpaceXSI' Will Bring About 1 Million GB300 GPUs Online for Anthropic by Year-End

A social media post claims that an entity called "SpaceXSI" will have roughly one million Nvidia GB300 GPUs online for Anthropic by the end of the year, a figure that would make it one of the largest AI compute commitments reported to date. The claim has not been confirmed by SpaceXSI, Anthropic, or Nvidia in any official statement that could be located for this report, and the post provides no additional detail on contracts, sites, power requirements, or timelines beyond the year-end target.