The Humanoid Robot Supply Chain Bottleneck

Humanoid robot deployment is gated by 2-5 year precision-component and foundry bottlenecks, not AI progress, keeping hardware costs near $30K.

• Mechanical bottleneck, not AI: Hosts argue humanoid robots require ~400 unique moving parts, most needing custom tooling; only 2-3 firms globally reliably make harmonic drive reducers at needed quality.
• Cost math still broken: Custom knee-joint actuators cost $2,000-$5,000 each; total hardware cost per robot runs ~$30,000 versus a $10,000 consumer target price, blocked by lack of volume.

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