How Elon Musk used SpaceX to rescue xAI and build a $1.25tn colossus
- Posted on February 3, 2026
- By Financial Times
- 6 Views
How Elon Musk used SpaceX to rescue xAI and build a $1.25tn colossus

Billionaire folds rocket maker into a lossmaking AI start-up, betting scale and control can beat rivals to blockbuster IPO