Limitless: An AI Podcast Elon Joins SpaceX and xAI in the Biggest Merger Ever. Is Tesla Next?
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Feb 4, 2026 A massive merger between a rocket company and an AI lab sparks talk of space-based AI data centers powered by solar energy and natural cooling. They explore Starship’s role in cutting launch costs, how Starlink connectivity could scale large models, and whether an automotive and robotics company might join the consolidation. The conversation centers on energy, compute, and valuation implications for investors.
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Monumental SpaceX–XAI Merger
- SpaceX merged with XAI creating the largest private company by implied valuation at ~$1.25T today.
- The merger signals a strategic bet to combine launch capability with AI to unlock massive public-market value.
Why Train AI In Space
- Elon’s thesis: space is the most cost-efficient, high-performance place to train frontier AI due to abundant solar energy and passive cooling.
- SpaceX’s launch scale (Starship) aims to reduce cost per kg to orbit until space becomes the cheapest place for large-scale compute.
Starship Changes The Economics
- Starship's reusability will sharply lower launch costs and enable mass deployment of satellites and data centers.
- That drop in cost could flip economics so it's economically irrational to build comparable-scale AI data centers on Earth.