Dirac

Dirac is a New York City company headquartered in the Empire State Building, cofounded by Fil Aronshtein [1]. Founded in 2001 [2], the company develops BuildOS, a platform that automatically generates animated, interactive work instructions for complex mechanical assemblies from CAD files [1]. According to the company's description, BuildOS reduces the time required for manufacturing documentation from weeks to hours [1].

Funding

• Seed, $10.7MAug 28, 2025

  with Founders Fund, Coatue

Backers

• Coatue

  NYC-based investment firm active in public and private technology markets, expanding access to innovation

• Founders Fund

  Venture capital firm investing at Series A and beyond, listed among top AI investors

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