Musk Merges SpaceX and xAI in Historic $1.25 Trillion Bet on Space-Based AI

In a move that consolidates his most ambitious ventures, Elon Musk has merged SpaceX with his artificial intelligence company xAI. The deal, finalized on February 2 in Nevada, creates a single entity valued at $1.25 trillion ahead of a planned public offering. Musk announced the merger this week, framing it as the creation of a unified "innovation engine" designed to push AI computation into orbit.

The merger pairs SpaceX, the dominant U.S. launch provider and operator of the Starlink satellite network, with xAI, the developer of the Grok chatbot. SpaceX, which posted an estimated $8 billion profit last year, brings its rocket manufacturing and orbital infrastructure. xAI, despite burning capital to compete with giants like OpenAI, contributes its AI research and a recent $20 billion war chest from investors including Nvidia and sovereign wealth funds.

Musk’s central argument is economic: he claims that within a few years, generating AI computing power in space will be cheaper than on Earth. Orbital data centers, he suggests, would use the vacuum of space for cooling and more efficient solar power. SpaceX has already asked regulators for permission to launch up to a million satellites for this "orbital data centers" project.

The merger arrives amid complex regulatory and security questions. xAI’s recent funding included money from Qatari and Emirati state funds, which could trigger a review by the Committee on Foreign Investment in the United States. Furthermore, the Pentagon began using xAI's Grok for intelligence analysis in January, blending commercial AI with core military functions.

Adding another layer, Tesla invested $2 billion into xAI just last week, creating a tangled web of cross-holdings across Musk’s empire. The combined company also inherits xAI’s controversies, including local protests over pollution from its Tennessee data center and international probes into its AI generating harmful imagery.

For public market investors, the staggering valuation is a bet on a future that doesn’t yet exist. They must weigh SpaceX's proven profitability against the high-risk, high-reward gamble of building AI data centers in space—a technical challenge of monumental scale. As geopolitical competition in AI and space intensifies, this merger places unprecedented capability under one roof, testing the limits of private enterprise in what have traditionally been realms of national strategy.