Series A · AI

Antioch raises $32M Series A as Greylock's Saam Motamedi joins its board

Antioch's $32 million financing brings total funding to $40.5 million, following an $8.5 million seed round earlier in the year.

A board addition as commercial use expands

Antioch announced the financing on September 8, with Greylock general partner Saam Motamedi joining its board. The company disclosed the new round separately from its earlier seed financing, rather than presenting $40.5 million as the size of this raise.

The announcement describes customer use at Amazon and Launchpad Build AI, alongside work with NVIDIA's physical AI software stack and Nebius infrastructure. These relationships show the development platform being applied to manufacturing, perception and autonomy programs. The company says the capital will help it reach more teams and recruit across simulation, machine learning, infrastructure, graphics and business operations.

Use of funds

Expand the physical AI development platform

Recruit technical and commercial staff

Bring the platform to additional customer teams

Funding history

Series A · This round$32M

Sources

  1. Antioch raises $32M to bring software speed to physical AI developmentantioch.com · Sep 8, 2026
  2. Antioch Raises $32M in Series A Fundingfinsmes.com · Sep 11, 2026