xAI

xAI develops the Grok AI models and runs the Colossus supercomputers in Memphis. It has been a wholly owned subsidiary of SpaceX since February 2026.

PrivatePalo Alto, California, United StatesAI labs

Money

xAI Colossus SPV finances, through a vehicle, xAI · $20B
The SPV raised about $20B to buy GPUs and rent them to xAI.
reported · Oct 2025 · $7.5B equity and $12.5B debt · FNEX
SpaceX invests in xAI · $2B
SpaceX took part in xAI's equity raise announced in July 2025 and agreed to invest $2 billion, according to Wikipedia.
reported · Jul 1, 2025 · agreed to invest · Wikipedia
SpaceX owns xAI
SpaceX bought xAI in an all-stock deal; xAI is now a wholly owned subsidiary.
announced · Feb 2, 2026 · Wikipedia