SpaceX and Tesla plan an AI chip manufacturing plant in Texas that would be among the biggest in the world, report says

SpaceX and Tesla are reportedly selecting Texas for a new factory aimed at making AI chips, a move that underscores how both companies are tying hardware manufacturing to their long-term automation goals. The facility, described as Terafab and located in Grimes, Texas, is outlined as a large-scale production site for chips used across Tesla’s robotics program and broader compute needs tied to SpaceX operations, according to a report carried by Yahoo Finance and Fox Business.

The report says the plant would be positioned as the world’s largest building, highlighting the expected scale of the manufacturing effort. While the story emphasizes size and purpose, it does not, in the material provided here, detail permitting status, construction timelines, or the specific corporate entity or capex figures behind the project.

On the product side, the report links the chip output to Tesla’s Optimus robots, Tesla’s Cybercab concept for autonomous driving-focused vehicles, and “space-based data centers.” In practical terms, AI chips are specialized processors designed to accelerate machine learning and other high-performance computing workloads, which are central to robot perception, vehicle autonomy systems, and large-scale data processing.

For Tesla, AI chip manufacturing is a strategic lever because it can reduce dependency on third-party suppliers and help align chip performance with the company’s software stack for robotics and autonomy. For SpaceX, the same computing hardware supply chain can matter when external or onboard systems require high-throughput data processing, though the report does not specify which chip designs or architectures would be used for space-oriented applications.

The report’s focus on a single Texas location for multiple use cases suggests Terafab could function as a shared manufacturing platform. However, the provided information does not clarify whether the output would be allocated across Tesla and SpaceX internally, sold externally, or produced through separate lines within the same campus.

The story also does not provide any confirmation details such as the number of planned production lines, manufacturing nodes, wafer capacity, yield targets, or whether the operation will resemble traditional semiconductor fabrication or a more integrated “system” manufacturing approach. Those omissions leave open the question of how much of the supply chain is handled on-site versus sourced from equipment and materials partners.

Sector-wise, the push to build dedicated AI hardware factories reflects a broader trend in which automakers and space and defense-adjacent technology firms seek control over critical components. If the scale described in the report is accurate, it could become a notable node in the U.S. industrial footprint for AI compute supply, particularly for companies that increasingly treat robotics and autonomy as long-duration bets.

What to watch next is clarity on process and timing. The immediate question is whether Tesla and SpaceX will publicly confirm the location, capacity, and timeline for Terafab in Grimes, Texas, and whether any filings, permits, or contracts emerge that specify the project’s scope. Investors and industry observers are also likely to look for technical details on the AI chips, including how they are intended to be used across Optimus, Cybercab, and any space-linked compute initiatives.