Elon Musk’s xAI lost $6.4 billion from operations on just $3.2 billion in revenue in 2025, according to SpaceX’s IPO filings. And the losses are poised to grow. SpaceX’s filing reveals plans to scale Grok to “multiple trillions of parameters,” a dramatic boost that will likely require significant additional compute spend.

Elon Musk merged his AI company xAI — which had previously acquired his social media platform X (formerly Twitter) — with his rocket and satellite company SpaceX in February before announcing that he’d take the combined company public this year. While AI competitors OpenAI and Anthropic are also eyeing public debuts in 2026, SpaceX’s is expected to be one of the largest in history with a potential $1.75 trillion valuation.

The filing marks the first public glimpses into xAI, and therefore X’s, financials. In 2024, xAI recorded a loss of $1.56 billion on $2.62 billion in revenue. By 2025, losses had ballooned to $6.4 billion on $3.2 billion, meaning the gap between what xAI earns and spends is widening. Meanwhile, competitor (and customer) Anthropic reportedly expects a 130% revenue jump to $10.9 billion in the second quarter, leading to its first operating profit.

The jump in revenue from 2024 to 2025 came in large part from “AI solutions and infrastructure revenue” totalling $465 million, which includes $365 million in X and Grok subscription revenue, and $88 million in data licensing. An additional $116 million came from advertising.