# Atomic Machines raises $250M to build tiny machines from code with AI

Digest AI · Robotics & Physical AI · published 2026-10-12T09:00:00Z

Canonical: https://digestai.news/story/atomic-machines-raises-250m-to-build-tiny-machines-from-code-with-ai

## Summary

Atomic Machines, a California startup led by former Uber self-driving chief Jeff Holden, has emerged from six years of stealth with $250 million in funding. The company’s AI-driven factory aims to turn digital designs into functional, tiny machines—such as micro-pumps, motors, and gears—without traditional retooling. Each production step is verified by AI, which also learns from real-world material performance data to refine future designs.

The startup’s first product, PrimeSwitch, is a fingertip-sized power switch for AI server farms. Atomic Machines claims it outperforms traditional breakers in speed and efficiency. While currently focused on its own products with human oversight, the long-term vision is to enable ‘prompt-to-product’ manufacturing, allowing virtually anyone with a concept to create physical devices. The company emphasizes that its Matter Compiler can adapt designs dynamically, unlike 3D printers, which only alter shape.

## Key points

- Atomic Machines raised $250M after six years in stealth, led by ex-Uber self-driving chief Jeff Holden
- AI factory builds microscopic machines like pumps and motors, verified step-by-step by AI
- First product, PrimeSwitch, targets AI server farms with faster, more efficient power switching

## Why it matters

If successful, Atomic Machines could democratize hardware creation, lowering barriers for inventors and industries needing custom micro-components. The AI-driven approach may also accelerate prototyping in fields like robotics and medical devices.

## Sources

1. [This AI factory builds tiny machines from code](https://therundown.ai/articles/this-ai-factory-builds-tiny-machines-from-code) (The Rundown AI, 2026-10-12)

## Cite

Digest AI, "Atomic Machines raises $250M to build tiny machines from code with AI", 12 October 2026, https://digestai.news/story/atomic-machines-raises-250m-to-build-tiny-machines-from-code-with-ai

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