Helonic and Structured AI both use AI to review construction drawing sets for code and coordination issues. Helonic is built for the teams that receive the issued PDF set. Structured AI is built for the architects and engineers who produce it, in PDF and inside Revit.
Both read PDF sets. The split is who runs the review and where the findings need to land.
Structured AI facts come from getstructured.ai, its integrations page, and its Revit plugin page, checked October 2026.
| Feature | Helonic | Structured AI |
|---|---|---|
| Built for | Teams reviewing issued sets | Architects and engineers |
| 2D PDF drawing review | ||
| Revit add-in (live model checks) | Revit 2022 to 2027 | |
| Building code checks | ||
| Custom firm standards and checks | ||
| Revision comparison | ||
| Bluebeam Studio markups | ||
| Procore | Pull sets, push RFIs | Reads drawing sets |
| Autodesk Forma (ACC) | Pull sets, push RFIs | Reads drawing sets |
| Pricing | Custom, pilots available | Not published, pilot first |
Structured AI is no longer Revit-only, so "PDF vs BIM" undersells it. It now calls itself the AI drawing review platform for architects and engineers. Teams upload a PDF set or connect ACC, Procore, SharePoint, or Google Drive, and Structured AI checks every sheet for code issues, coordination clashes, and firm-specific checks. It also offers drawing set chat and sheet overlays to compare revisions or disciplines.
Its biggest advantage is that it lives where the drawings are made. The Revit add-in runs checks against real model elements across linked architectural, structural, MEP, and civil models, and writes approved fixes back to the source file. The Bluebeam Studio connection moves markups both ways. For an engineering firm whose reviewers redline in Bluebeam and fix in Revit, that loop is hard to beat.
Helonic is built for the other side of the transmittal. A GC, owner, or subcontractor gets a PDF set from several consultants and needs to know what conflicts before bid or build. Helonic checks every sheet across 10 categories, cross-references the specs, verifies door, window, and finish schedules, and compares revisions. Each finding has a severity and a sheet location and can go to Procore or Autodesk Forma as an RFI.
Helonic does not check Revit or IFC models and does not learn custom firm standards. If model-level QA is the job, Structured AI or a rule-based model checker is the better choice. Our Structured AI alternatives page and the 2026 AI drawing review rankings list the other options by job.
Manas is the co-founder and CTO of Helonic, where he leads engineering and AI research for construction drawing analysis. He works directly with structural, MEP, civil, and fire protection engineers to translate the way they review drawings into AI systems that flag the issues that actually matter in the field. Before Helonic, he built machine learning pipelines for technical document understanding and has spent the last several years interviewing licensed design engineers and discipline leads to ground product decisions in real practice rather than industry assumptions.
How this page was researched: Structured AI's product, Revit add-in, integrations, and security claims were checked on October 25, 2026 against getstructured.ai, getstructured.ai/integrations, getstructured.ai/security, its Revit plugin download page, and its Y Combinator company profile. Helonic capabilities reflect the current product.
Last reviewed by Manas Gandhi · October 25, 2026
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