Elon Musk has announced TeraFab – a new semiconductor facility set to be built at Tesla’s campus in Austin, Texas. The roughly $20 billion project will be a joint effort between Tesla and SpaceX, aimed at meeting the growing demand for chips used in AI, robotics, and space systems.
What sets TeraFab apart is the way it’s designed. The entire semiconductor pipeline is supposed to live inside a single building – from logic and memory fabrication to packaging, testing, and even lithography mask production. According to Musk, no other facility in the world currently operates at that level of vertical integration. The idea is to dramatically speed things up: design a chip, build it, test it, iterate – all without shipping components between different sites.
The factory is expected to produce two main categories of chips. The first includes edge inference chips for Tesla vehicles and Optimus humanoid robots. The second focuses on space-grade chips. Musk said these will be engineered to operate at higher temperatures, potentially reducing the need for heavy cooling systems in satellites.
The scale of the project is just as ambitious as the concept. Musk estimates that current global AI compute capacity stands at around 20 gigawatts per year – only about 2% of what his companies will need going forward. TeraFab is expected to deliver between 100 and 200 gigawatts annually for terrestrial use, with total compute capacity – including space-based systems – reaching up to 1 terawatt per year.
At the same time, Musk made it clear that Tesla and SpaceX will continue working with external suppliers such as TSMC, Samsung, and Micron. There’s still no timeline for construction or production. Musk had previously mentioned a potential 2 nm process, but didn’t confirm those plans in the latest announcement. Looking at this, it’s hard not to see just how ambitious the whole thing is. Bringing the entire chip supply chain into one place could significantly speed up development, but the scale – and the hundreds of gigawatts of compute Musk is talking about – also shows just how big the expectations are for AI and future computing infrastructure