The BuildJune 25, 2026via Forbes Innovation

IBM Unveils World’s First Sub-1nm Chip With 100 Billion 3D-Stacked Transistors

Why it matters

IBM's sub-1nm breakthrough directly impacts AI inference cost and density — this is the hardware foundation that makes next-gen model deployment economically viable for enterprises.

Key signals

  • IBM announces world's first sub-1nm chip
  • 100 billion 3D-stacked transistors
  • Functioning devices already produced
  • Published June 2026

The hook

100 billion transistors at sub-1nm. IBM just shifted the entire AI chip timeline.

IBM just unveiled the world's first sub 1-nanometer chip: 100 billion transistors. IBM also says they've produced functioning devices with this technology.

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