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SoftBank Chief Rejects Elon Musk’s Plan for AI Data Centers in Orbit

Masayoshi Son’s public dismissal heightens a split among tech leaders and focuses investor and regulator attention on whether SpaceX can prove orbital compute’s economics and timeline.

Overview

  • SoftBank CEO Masayoshi Son told shareholders Tuesday that he sees little benefit to building AI data centers in space and said SoftBank will prioritize building large terrestrial capacity now.
  • Son argued that electricity is only about 7 percent of AI data center operating costs, so savings from orbital solar power would not overcome launch, maintenance, networking and latency expenses.
  • SpaceX has moved aggressively toward an orbital compute strategy this year, folding xAI into its business, filing for very large satellite constellations and completing a high‑profile IPO that foregrounded the vision.
  • Engineers and analysts point to concrete technical hurdles for orbital compute, including cooling in vacuum, radiation‑hardened chips, robotic assembly and an unproven Starship launch cadence needed to mass‑manufacture satellites.
  • Investors and watchdogs are watching closely because SpaceX’s IPO priced in ambitious orbital scenarios, analysts assign low odds to the most optimistic outcomes, and most experts expect stepwise demonstrations before any large‑scale rollout.