Elon Musk recently announced "Terafab," a massive $25 billion joint venture between Tesla, SpaceX, and xAI designed to bring semiconductor manufacturing entirely in-house. Located in Austin, Texas, the facility aims to produce 1 terawatt of annual compute capacity, creating a fully vertically integrated pipeline that spans from initial chip design and lithography to final packaging. The project is a strategic move to secure a steady, independent supply of AI5 chips for Tesla’s vehicle fleet and Optimus robots.

Beyond terrestrial applications, the Terafab will produce specialized "D3" chips designed for a future constellation of orbital AI satellites. By targeting a production scale equivalent to roughly 70% of TSMC’s current global output, the initiative represents a major leap toward self-sufficiency. This project positions Musk's companies at the forefront of the AI revolution, ensuring they have the proprietary hardware necessary to power the next generation of autonomous and aerospace technologies.