xAI burned $6.4B last year — SpaceX's IPO filing shows why spending continues
xAI reported a $6.4B operating loss on $3.2B revenue in 2025 with annualized AI capex at $30.8B run rate. The company plans to scale Grok to trillions of parameters via Colossus data centers powered by 1 GW. Filing highlights vertical integration for cost and control advantages including future satellite compute.
Why this matters: Signals continued massive infrastructure investment that could lower training and inference costs long-term for Grok users. Highlights the shift toward vertically integrated neocloud models.