Antigravity 2.0 Tops the OpenSCAD Architectural 3D LLM Benchmark (modelrift.com)

The recent benchmark evaluating AI coding tools for architectural modeling has revealed that Google’s Antigravity 2.0 has achieved the best performance in generating a 3D model of the Pantheon using OpenSCAD. This task, which involved interpreting complex architectural designs and producing parametric CAD code, highlighted the capabilities of various large language models (LLMs). Unlike basic tasks that merely test syntax, the benchmark required AIs to accurately render distinctive features of the Pantheon, such as its domed rotunda and intricate coffered ceiling, based on reference images. This outcome is significant for the AI/ML community as it underscores advancements in spatial reasoning and design by AI models, particularly with Antigravity 2.0 paired with the Gemini 3.5 Flash architecture. The model not only incorporated precise dimensions but also uniquely addressed the architectural intricacies by suggesting features like a cutaway view to showcase both exterior and interior details. Other systems, while competent, fell short in capturing the defining characteristics of the Pantheon, illustrating a growing divide in the capability of AI tools to handle complex geometric relationships and design fidelity in CAD applications. This benchmark sets a new standard for future AI-driven architectural modeling tasks.