Tesla, the electric vehicle and clean energy giant, reported a notable financial detail in its latest regulatory filing: the company generated over $500 million in revenue last year from sales to two companies closely tied to its CEO, Elon Musk—xAI, the artificial intelligence startup, and SpaceX, the aerospace manufacturer. This figure, disclosed in Tesla’s annual 10-K report, highlights a deepening financial interdependence among Musk’s ventures, raising questions about governance, valuation, and the strategic direction of the companies involved.
According to the filing, Tesla’s revenue from these related-party transactions amounted to approximately $512 million in 2024, up from less than $200 million the previous year. The bulk of this sum came from sales to xAI, which paid Tesla for access to its AI computing infrastructure, including high-performance chips and cloud services. SpaceX, meanwhile, purchased vehicle components and software from Tesla, likely for use in its Starlink satellite network and other projects. These transactions are not unusual in the corporate world, but their scale and growth rate have drawn scrutiny from investors and analysts, who view them as a measure of Musk’s influence over both companies.
For Tesla, the revenue boost is a small but meaningful contribution to its bottom line. The company reported total revenue of $97.7 billion in 2024, meaning the $512 million represents about 0.5% of its total sales. Yet the significance lies less in the percentage and more in the trend. The rapid increase from the prior year indicates that Tesla is becoming a key supplier to Musk’s other ventures, particularly xAI, which is racing to compete in the AI market dominated by OpenAI, Google, and Microsoft. xAI, founded by Musk in 2023, has limited internal manufacturing capacity and relies heavily on third-party hardware. By purchasing from Tesla, it gains access to specialized equipment without the upfront capital expenditure of building its own infrastructure.
What the sales include
The filing details that the transactions involve “automotive components, software, and other services.” For SpaceX, that likely means battery packs, power electronics, and possibly vehicle parts used in its ground operations. For xAI, it centers on computing resources, including the Dojo supercomputer, which Tesla developed for training neural networks. Dojo was originally intended to power Tesla’s self-driving technology, but the company has since opened it up to external customers. Musk has publicly stated that xAI benefits from Tesla’s AI hardware, and the financial data now confirms the monetary value of that relationship.
This arrangement has practical advantages. Tesla’s factories in Texas and California produce chips and components at scale, and selling them to xAI or SpaceX provides a revenue stream that offsets some of its own costs. It also allows Musk to align resources across his companies, potentially accelerating development in AI and space technology without diluting ownership. Critics, however, warn that such related-party transactions can create conflicts of interest. Tesla’s board, which includes Musk’s brother Kimbal Musk, has a duty to ensure the company is not selling goods below market value or favoring xAI and SpaceX over other customers. The filing states that the transactions were conducted at “arm’s length” prices, meaning they were comparable to what unrelated third parties would pay. But without full disclosure of pricing models, skepticism remains.
Investor reactions
Some Tesla shareholders have expressed unease. The $500 million figure, while not massive, represents a transfer of value from Tesla to Musk’s private companies. xAI, for instance, is valued at over $50 billion in private markets, and its success could enrich Musk personally without directly benefiting Tesla shareholders. Conversely, advocates argue that Tesla’s role as a supplier strengthens its market position. If xAI develops breakthrough AI, Tesla could benefit from shared technology and talent. The same logic applies to SpaceX, which uses Tesla’s know-how for Starlink’s ground terminals and potentially for future Mars vehicles.
The regulatory filing does not break down the exact split between xAI and SpaceX, but analysts estimate that xAI contributed roughly two-thirds of the total. This aligns with the company’s rapid spending on computing infrastructure as it trains its Grok AI models. SpaceX, with its established supply chain, likely accounted for the remainder, buying Tesla parts for its Starlink dishes and possibly for its Dragon spacecraft. Both companies have seen explosive growth, with xAI raising billions from investors and SpaceX launching record numbers of rockets.
Broader implications
The $512 million figure also underscores a shift in how Musk manages his empire. Historically, his companies operated independently, with minimal cross-selling. Now, Tesla is acting as a central supplier, leveraging its manufacturing scale. This could become a competitive advantage if it continues, but it also exposes Tesla to risks. If xAI or SpaceX face financial trouble, Tesla’s revenue from them could vanish. Moreover, the U.S. Securities and Exchange Commission has increased scrutiny of related-party transactions, particularly those involving high-profile CEOs. So far, Tesla’s disclosures have met legal requirements, but investors will watch for any signs of preferential treatment.
For now, the $500 million is a testament to Musk’s ability to create synergies among his ventures. Whether it ultimately benefits Tesla shareholders or primarily serves his personal ambitions remains an open question. As Tesla prepares to release its quarterly earnings next month, analysts will likely press executives for more details on these sales. The answer could shape how the market values not just Tesla, but the entire Musk ecosystem.
Ahmed Abed – News journalist