July 31, 2026

Why the SpaceX xAI Merger is a Tech Fantasy

So SpaceX wants to merge with xAI, which has already merged with X (formerly known as Twitter). It is a successful space company merging with a struggling AI unit that mainly produces Grok, a chatbot trained on old Twitter tweets, and a volatile social media platform. I am struggling to see how any investor who purely focuses on SpaceX thinks this is a good idea. It feels like betting on blind faith in Musk rather than business logic.

The SpaceX Success Story

SpaceX has done some fantastic work really. They have reduced the cost of ship transport, made reusable rockets a reality, and have dozens if not hundreds of government contracts all over the world. The US government provides a ton of funding, and the private sector dumped in money while the company tried various things before finding success. Simply put, it took a ton of failure before finding a method that works.

Currently, they are working on Starship, the biggest rocket ever built, to deliver even bigger payloads into space. Using these cheaper rockets, they have put Starlink into space, a network of satellites providing internet service. Once again, the company likes US government money here so it can provide the service to rural areas. A famous example of this technology is the invasion of Ukraine, where Starlink was so successful that other governments have looked at the service and wanted to copy it. There was some funny business here with Musk cutting off the service and Russians importing it for itself and Musk not blocking the use. But all of this was possible only because the company was focused. It gave a real world example of why you should use it. Want to send something up to space? Use us. This is why merging it with a social media app seems weird.

I have seen a couple of people saying this makes sense. It does not. What this is really about is finding extra cash for xAI to compete with OpenAI and Google. xAI is estimated to be burning $1 billion per month right now, and I am not even sure if that includes the costs to keep X running. SpaceX is supposedly using Grok for something, but I am not sure what use a bot that can produce CSAM makes to a rocket company. The good news is that due to the filings required for this merger, we will finally get a clear look at the books for every company involved.

Financial and Legal Weights

This puts SpaceX at significant risk. Any future fines or legal issues for X become a weight on the whole group, especially since SpaceX wants to go public in June 2026. To make matters worse, it saddles SpaceX with extra debt and strains its revenue. Turning a successful company into a less successful one is a bold strategy, and it is certainly not going to look good on a balance sheet. Why would a space focused investor want to be tied to a social media platform and a chatbot with questionable safety guardrails? The idea that these companies belong together is a massive stretch.

The claim is that this merger creates a company worth $1.25 trillion. Considering X was bought for $44 billion and is now worth way less, and xAI is mostly just a cash shredder, I do not see how they reach that valuation. I saw estimates just one month ago it was $700 billion, so I am struggling to see where the rest of that value comes from. Perhaps I would be a poor investor, but something is not adding up.

Perhaps SpaceX could have hit the trillion dollar mark alone, but now it is married to a company facing criminal investigations globally. Just this month, French authorities raided the Paris offices of X, and the UK is investigating Grok for generating illegal deepfakes. Plenty more are on the way as the EU and others are looking at it. On top of that, xAI is seeing a leadership exodus. Six of its twelve co-founders have resigned in the last few months, including high profile names like Jimmy Ba and Tony Wu. It looks like the $8 billion in 2025 profits for SpaceX is being used to subsidize these failing ventures. That is just my take.

Technical Fantasy: Data Centers in Space

Then there is the data centers in space idea. This is what Elon Musk is using to justify the merger. It is untested and unproven, and it does not explain why a social media company needs to come along for the ride, outside of trying to reduce computing costs. The technical hurdles are immense.

The Cooling Problem: On Earth, we use water and fans. In the vacuum of space, there is no air to move heat. You have to design massive radiators that bleed heat as infrared light, which is a huge engineering challenge for high density AI chips.
Radiation: Cosmic rays constantly attack hardware in orbit, flipping bits and corrupting data. Protecting these servers would require heavy shielding that is expensive to launch.
Maintenance and Latency: If a server fries, you cannot exactly send a technician up to fix it. Plus, even at light speed, the distance creates a data delay that kills the performance needed for real-time AI.
Space Junk: Adding more hardware into space makes it unclear if it is even possible to bring it back down to earth safely. Worse still, hardware lasts only two to three years. This means you need to send up more constantly.

Which leaves me asking one simple question: why not focus on efficiency over scale? That is what the Chinese are doing over American companies which seem to think bigger is better. This may explain why they are now aiming for the Moon over Mars. Building data centers on the Moon sounds easier, but it still faces the same issues really. Critical thinking here shows no legal framework for what they can do exists in space or on the Moon. Going to the Moon first makes more sense as a proof of concept, but given the desire to go public, I cannot see shareholders wanting to dump billions into something that is unproven. We know Elon Musk wants to go to Mars. Sending people to the Moon makes that dream easier to do and may give him more room to burn money to do that. Investors will go, “well he did it once, maybe he is not so mad after all and this makes sense.”

The Everything Empire

SpaceX is also heavily state funded. Merging it with a controversial social media site and a struggling AI lab raises serious questions about those contracts. Would you really want to take up a contract with a company this distracted? I suspect future governments are going to review these contracts closely to see if they can leave. It is going to cause lawyers loads of work to make sure it is good value for money.

Like most projects from Musk, the promise is that this will all be ready in two years. I remember hearing two years for self driving cars back in 2016 and we are still waiting. They have even dropped support for older Tesla models now, so that feature is never coming.

It feels like he is trying to build an everything empire at a time when the rest of the tech world is moving towards single focus companies. Look at Tesla: it is going from cars to robots and robotaxis, another unproven tech, after his politics hurt the car business. Perhaps we will see Tesla merging with SpaceX next to build giant space solar farms. But sending that electricity back to Earth is a physics challenge that seems unlikely to be solved. We know that X matters to Musk. The name is important and he wants an everything app. An everything company called X. Maybe it is that simple really. He just wants to go to Mars and bring everything together.