Filings for SpaceX's upcoming Initial Public Offering (IPO) have revealed that Elon Musk's artificial intelligence venture, xAI, incurred an operational loss of $6.4 billion against revenues of $3.2 billion in 2025. These substantial losses are projected to escalate further, as the same filings outline ambitious plans to expand Grok, xAI's conversational AI, to encompass “multiple trillions of parameters.” This monumental scaling effort is anticipated to necessitate considerable additional investment in computational resources.
In a strategic move this February, Elon Musk integrated his AI firm, xAI—which had previously absorbed his social media platform X (formerly Twitter)—with his aerospace enterprise, SpaceX. Following this merger, Musk declared intentions to launch the consolidated entity onto the public market within the current year. While prominent AI rivals such as OpenAI and Anthropic are reportedly considering their own public listings in 2026, SpaceX's IPO is poised to be among the most significant in history, potentially reaching a valuation of $1.75 trillion.
These regulatory documents offer the inaugural public disclosure of xAI's, and consequently X's, financial performance. In 2024, xAI reported a loss of $1.56 billion against revenues of $2.62 billion. By 2025, the deficit had surged dramatically to $6.4 billion on revenues of $3.2 billion, indicating a significant and expanding disparity between the company's expenditures and its income. In stark contrast, competitor Anthropic, which also serves as a customer, is reportedly anticipating a substantial 130% surge in revenue to $10.9 billion in the second quarter, forecasted to result in its first operational profit.
The notable increase in revenue observed between 2024 and 2025 was predominantly driven by “AI solutions and infrastructure revenue,” which contributed a total of $465 million. This figure encompasses $365 million derived from subscriptions to X and Grok, alongside $88 million generated through data licensing agreements. Furthermore, an additional $116 million was secured from advertising streams.
Capital expenditures within the AI segment witnessed a significant escalation, rising from $12.7 billion in 2025 to an impressive $7.7 billion in just the first quarter of 2026. This quarterly spend translates to an annualized capital expenditure run rate of approximately $30.8 billion, representing a more than twofold increase year-over-year.
To date, this considerable investment has yielded increasing, yet still constrained, user adoption. According to the filing, SpaceX reported 117 million monthly active users for Grok's AI functionalities as of March 2026. This figure is set against a combined total of 550 million monthly active users across both Grok and X, suggesting that only about one-fifth of the integrated ecosystem is actively engaging with Grok's AI features.
Despite these figures, SpaceX remains committed to advancing Grok. The company's next-generation AI is projected to scale to “multiple trillions of parameters,” a development the filing characterizes as a “step change in reasoning in depth and overall intelligence.” This highly ambitious objective has now been formally documented within audited SEC records.
Such an ambitious target will, without question, necessitate further substantial investment. The “use of proceeds” section within the SpaceX filing specifically highlights an “expansion of our AI compute infrastructure.” The document details that xAI's Colossus and Colossus II data centers, which were brought online in remarkably swift periods of 122 and 91 days respectively, collectively deliver approximately 1 gigawatt of computational power. These facilities are instrumental for both the training and inference processes of Grok. SpaceX asserts that proprietary ownership of this compute infrastructure and a vertically integrated approach across the entire AI stack enable them to “train and iterate frontier models at lower cost and higher velocity.”
To potentially alleviate investor concerns regarding expenditure, SpaceX is exploring the concept of conducting AI training and inference operations on orbital data centers, a solution Elon Musk has touted as a significantly more cost-effective alternative to conventional terrestrial facilities. However, this futuristic vision is not anticipated to materialize for several years. The filing indicates that SpaceX aims to commence the deployment of its orbital AI compute satellites as early as 2028, marking the first definitive timeline provided for such an endeavor.
Underscoring its strategic approach, the filing concludes with the powerful statement: “The future of AI will be determined by control of the physical stack.”
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