xAI burned $6.4B last year. SpaceX’s IPO filing shows why the spending is far from over

Another way that SpaceX might assuage investor fears about spending is by performing training and inference on orbital data centers, which Musk has promised to be a much cheaper alternative to terrestrial data centers. That sci-fi vision isn’t likely to happen for several years, though. The filing says SpaceX intends to begin deploying its orbital AI compute satellites as early as 2028 — the first concrete timeline set for such a launch.

“The future of AI will be determined by control of the physical stack,” the filing reads.