Musk: Tesla to Launch 'Terafab' AI Chip Factory Project Next Week

Elon Musk has set a countdown on what could be Tesla’s most ambitious infrastructure effort to date. On Saturday, the billionaire CEO took to social media to announce that the company’s “Terafab Project launches in 7 days.” The brief post signals the beginning of Tesla’s push to resolve its next major supply chain bottleneck: manufacturing artificial intelligence chips.

Why Tesla Needs a Terafab

For years, Tesla’s strategy has been to build the machine that builds the machine, demonstrated by battery production at Giga Nevada and lithium refining in Texas. As the company pivots from a pure carmaker to an AI and robotics leader, it has identified silicon as its largest obstacle.

At the company’s 2025 Shareholder Meeting last fall, Musk seriously floated the idea of a Terafab — a facility comparable to a Gigafactory but dedicated to AI chips — with the aim of total vertical integration. He previously said, “even when we extrapolate the best-case scenario for chip production from our suppliers, it's still not enough.” By constructing its own fab, Tesla could avoid dependence on limited external foundry capacity and secure the volumes it needs.

The Computational Backbone: AI4 to AI8

Tesla’s AI chips are intended to be the brains of everything it builds. Today, the AI4 chip powers the company’s mainstream vehicles and the Full Self-Driving (FSD) system, and it will also be the core of the upcoming Cybercab robotaxis. The company is already looking further ahead.

The company has finished designing its next-gen AI5 chip, which is expected to enter mass production in mid-2027. This chip represents a generational leap, providing 10x more raw compute and 9x more memory capacity than AI4. It is not just for cars; it is the unit required to power millions of Optimus humanoid robots.

Following that, the AI6 chip is already part of a $16.5 billion production agreement with Samsung. Musk has even theorized that AI7 and AI8 could eventually be destined for space, powering orbital data centers managed by xAI and SpaceX.

The Challenge of Building a Foundry

Building a chip factory from the ground up is among the hardest technical challenges in the world. Currently, Tesla depends on a mix of partners: Samsung builds AI4, while TSMC is slated to handle the first wave of AI5. Musk has also mentioned potentially working with Intel to bridge the gap until Tesla’s own facility is ready.

The vision for the Terafab is extensive. It is expected to include 10 separate modules, each capable of producing 100,000 chips per month. If successful, this would be the most advanced AI chip factory on Earth. It would allow Tesla to treat its fleet of parked cars as a decentralized supercomputer, with every vehicle running the same high-end hardware.

With the project’s launch just a week away, the company has not yet revealed where the Terafab will be located, nor whether it will break ground on a new site or expand an existing facility with a partner such as Samsung or Intel. One thing is clear: Tesla is no longer willing to wait for the rest of the world to match its compute needs.