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Helonic is an AI-powered construction drawing analysis platform built by Articulate AI, Inc. The platform uses a proprietary AI model built specifically for construction drawing analysis to detect coordination issues, code compliance violations, and design errors that cause costly rework in the field.

Backed by Y Combinator, Helonic serves general contractors, architects, engineers, and project managers who need to review construction documents faster and more thoroughly. The platform integrates natively with Procore and Autodesk Construction Cloud, pushing detected issues directly into existing project management workflows.

Unlike tools that rely on 3D BIM models, Helonic works directly with 2D PDF construction drawings — the format used on the vast majority of real-world projects. It analyzes architectural, structural, MEP, fire protection, accessibility, and building envelope disciplines in a single pass.

Helonic was born from a simple observation: construction teams spend thousands of hours manually reviewing drawings, yet preventable errors still cause $31 billion in annual rework across the U.S. industry. The founding team saw that AI could fundamentally change how drawing review works — not by replacing human expertise, but by giving reviewers an AI-powered first pass that catches the quantitative, repetitive issues across every page.

The team invested in building a proprietary AI model trained specifically on construction drawings — learning the patterns, terminology, and cross-discipline relationships unique to construction documents. This domain-specific approach proved dramatically more reliable than applying general-purpose AI to construction, and became the foundation of the Helonic platform.