The Alliance for OpenUSD has published the first specification as a production-ready core standard, positioning it as a shared language for next-generation 3D experiences.
A universal core for 3D content and world building
Announced in San Francisco on Dec. 17, 2025, the Alliance for OpenUSD (AOUSD) released the first OpenUSD Core Specification 1.0 as an open standard for 3D content creation and data interchange. The launch marks a critical milestone after years of intensive collaboration, aiming to unify the 3D ecosystem across simulation, digital twins, and large-scale world building.
According to Aaron Luk, Core Specification Working Group Chair at AOUSD and Director of Product Management at NVIDIA, the new core serves as the definitive syntax for describing how virtual worlds are created at scale. Moreover, he emphasized that it ensures every tool can communicate in a shared format while still focusing on its own strengths, enabling true native interoperability across
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