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Thread · March 21-22, 2026

Elon Musk Unveils Terafab as Epic $25B Chip Fab Joint Venture

Elon Musk announced Terafab, a $20-25B semiconductor facility jointly run by Tesla, SpaceX, and xAI in Austin, Texas, to produce 1 terawatt of AI compute annually for vehicles, robots, and space applications. Described as the most epic chip-building project in history, it aims to address chip shortages and enable vertical integration across Musk's empire. Multiple outlets covered the reveal at a downtown Austin event.

Key facts

  • Joint Tesla-SpaceX-xAI venture costing $20-25B
  • Targets 1TW compute/year, ~2x current US production
  • Full production cycle: design, lithography, fab, packaging, testing
the most uh epic chip building exercised in history by far
— Elon Musk

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