Tesla, SpaceX and xAI Launch Terafab: World’s Largest AI Chip Factory Project

Elon put it plainly: “We either build the Terafab, or we don’t have the chips… and we need the chips, so we build the Terafab.” Today’s global chip industry is growing at only about 20% per year — nowhere near enough to support millions of Optimus robots (each needing far more chips than a car) and orbital AI data centers.

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Massive investments are now going into: ✔️ Fully autonomous Cybercab robotaxis (production starting 2026) (维基百科) ✔️ AI & robotics (Optimus humanoid robot) ✔️ Next-gen AI chip production (Terafab project)

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Wedbush analyst Dan Ives (one of the more credible voices covering Musk’s empire) has publicly predicted that Tesla and SpaceX will fully merge by 2027, calling Terafab the first step toward full integration.

TERAFAB Explained: Elon Launched a New AI Chip Fab

TERAFAB was announced publicly on March 21, 2026, in Austin, described as an unprecedented chip-building effort. Construction activity has been reported at the Giga Texas North Campus, with site preparation compared to early Gigafactory build phases.

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According to Tesla's disclosure, the TERAFAB project is planned to have an annual production capacity of up to 100 billion to 200 billion advanced AI and storage chips, equivalent to a monthly wafer input of approximately 100,000 wafers.

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... He said the so-called "Terafab" will have two facilities: one focused on AI chips for Tesla's electric vehicles and Optimus humanoid robots; while the other will be focused on AI chips for space-based data centers made by SpaceX.

Analysis: Terafab's scale raises market doubts; is Elon Musk aiming to dominate chip supply chain?

TrendingAI Expo Memory chips Nvidia AI Search NTN Convergence Robotics Report Advanced Packaging · Trending · SUBSCRIBE · CONNECT WITH US · Home Tech Semiconductors · Amanda Liang, Taipei Mar 30, 2026, 11:38 0 · Credit: AFP · Elon Musk recently announced the launch of the "Terafab" project, aiming to expand compute production capacity to 1 TW per year, which is about 50 times the current global compute supply of around 20 GW.

Musk's Ambitious Chip Plant Plans Raise Doubts - Austin Today

When Elon Musk unveiled plans for a new semiconductor manufacturing facility he called 'Terafab', he promised it would be the 'most epic chip-building exercise in history.' However, industry experts are doubtful that Musk can actually execute on the scale and scope he described, which would require up to $13 trillion in capital spending to build 140-360 new chip factories.

Elon Musk’s Secret Mega Factory: The Shocking Truth About Tesla’s Terafab Chip Plant

By vertically integrating chip production, Musk can ensure a reliable supply of the specialized semiconductors needed to push the boundaries of self-driving capabilities. Musk’s vision for Terafab includes powering a network of satellite-based data centers, which could potentially render traditional, land-based data centers obsolete.

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The goal of Terafab is to produce 1 terawatt of computing power annually, while the current global annual output of AI computing power is about 20 gigawatts. That is to say, Terafab's goal is 50 times that amount. Musk's logic is straightforward - if Samsung, TSMC, and Micron expand production at full capacity, he is willing to "buy all the chips".