Summary: SpaceX’s confidential S-1 pre-IPO filing warns that its orbital AI data centre plans “involve significant technical complexity and unproven technologies, and may not achieve commercial viability,” contradicting Elon Musk’s January claim at Davos that space-based AI was a “no-brainer” achievable within two to three years. The filing comes as SpaceX targets a $1.75 trillion IPO valuation and has applied to the FCC for one million data centre satellites, while competitors Starcloud, Google (Project Suncatcher), and Blue Origin pursue their own orbital compute programmes. SpaceX told prospective investors in its confidential S-1 pre-IPO filing that its plans for orbital AI data centres “ involve significant technical complexity and unproven technologies, and may not achieve commercial viability.…