Tesla CEO Elon Musk has outlined an ambitious new semiconductor initiative called the “Terafab” project, designed to significantly expand in-house AI chip production for Tesla, SpaceX, and his AI venture xAI. The plan centers on building advanced chip manufacturing facilities in Texas, including at the Giga Texas site in Austin, with the goal of supporting future demand from autonomous vehicles, humanoid robots, and AI data centres.

According to Musk, Tesla plans to use Intel’s next-generation 14A manufacturing process for producing chips at the Terafab complex. Intel’s participation, announced earlier this year, marks a potential breakthrough for its contract manufacturing business, which has been competing with industry leader TSMC. Musk said the collaboration is expected to become viable once the process matures and reaches large-scale readiness.

The Terafab project is envisioned as a vertically integrated chip ecosystem, where Tesla and its partners would eventually handle multiple stages of semiconductor production, including design and manufacturing. Musk has indicated that the facility will include two major factories in Austin—one focused on chips for Tesla vehicles and Optimus humanoid robots, and another aimed at AI computing infrastructure, including potential space-based applications through SpaceX.

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In the near term, Tesla will reportedly establish a research-focused fabrication facility at its Giga Texas campus. Musk estimated this initial phase could cost around $3 billion and produce a few thousand wafers per month, primarily to test new chip designs and production methods. He added that SpaceX and Tesla will take leading roles in early development before scaling the broader Terafab ecosystem.

Musk also highlighted the massive scale of computing demand expected from his companies, stating that existing global semiconductor supply would not be sufficient in the long term. He noted that while suppliers such as Samsung, TSMC, and Micron currently support Tesla and related ventures, future requirements may exceed worldwide production capacity, prompting the need for independent chip manufacturing infrastructure.

Despite the ambitious scope, many details of the Terafab project remain unclear, including funding structure, operational management, and construction timelines. Musk acknowledged that the plan is still being refined, while industry analysts estimate that achieving the projected computing scale could require trillions of dollars in investment. The project, if fully realised, would position Tesla and its partners as major players in advanced semiconductor production.

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