Direct comparison · EN structural engineering · Benelux & Eastern Europe

FrameAI vs SCIA Engineer —
EN structural analysis, honestly compared

SCIA Engineer is the dominant EN-native FEM solver in Benelux and Eastern Europe — decades of validation, deep nonlinear analysis, broad multi-discipline coverage. FrameAI is the autonomous downstream layer: PDF intake, EN 1993-1-8 connection iteration, and fabrication-ready output. They're often complementary, not competing.

Try the free EN calculators → See pricing
30s
FrameAI: first calc
~€4k/yr
SCIA Professional per seat
$0
FrameAI free tier
25+yr
SCIA market presence
When to reach for each

SCIA Engineer is the right tool for global frame analysis: multi-storey frames, buckling, dynamic response, seismic spectra, nonlinear P-delta effects, and EN code checks across steel, concrete, and composite in one model. FrameAI is the right tool for connection-level detail design and fabrication output: EN 1993-1-8 bolt/weld/plate checks, autonomous PDF drawing intake, DSTV NC1 export. Many EN projects in the Netherlands, Belgium, and Czech Republic run SCIA for analysis and FrameAI for connection sign-off and shop-drawing production.

Feature comparison — EN structural engineering

Feature FrameAI SCIA Engineer
EN 1993-1-1 steel member checks Cross-section class, LTB, flexural buckling, interaction ✓ Yes ✓ Full FEM
EN 1993-1-8 connection design Bolt capacity, endplate moment, fin plate, base plate, weld sizing ✓ Full component method Simplified templates only
EN 1994-1-1 composite beams & columns b_eff, M_pl,Rd, shear studs, deflection §7.3 ✓ Yes ✓ Yes (module)
EN 1992-1-1 reinforced concrete Bending, shear, crack width, rebar schedule ✓ Yes ✓ Yes (module)
EN 1991 actions catalog Wind (EN 1991-1-4), snow (EN 1991-1-3), thermal (EN 1991-1-5) ✓ Auto site-location load ✓ Full load generator
EN 1998-1 seismic design Response spectra, q-factor, ductility class ✓ Seismic calcs + q-factor ✓ Full dynamic analysis
3D BIM model / full FEM solver Multi-storey global frame, nonlinear, buckling shapes ✗ Not a FEM solver ✓ Core product
PDF drawing intake (AI extraction) Auto-extract member schedule + loads from any structural PDF ✓ GPT-4o vision ✗ Manual entry
DSTV NC1 7th edition fabrication export CNC drill/saw line — holes, cuts, part marks ✓ Built-in ✗ Not supported
Parametric fabrication drawings (DXF / PDF) Shop drawings with part marks, dimensions, weld schedule ✓ Auto-generated Manual via CAD link
Deployment model How engineers access the software Browser — no install Windows desktop + license server
Free tier availability No credit card, permanent free access ✓ Unlimited calculators SCIA Concept (limited)
IFC 4 / DWG / SAF file support Import/export for BIM workflows ✓ IFC 4 + SAF v2.x export ✓ IFC + DWG import/export
National Annex support NL (NEN-EN), DE (DIN-EN), BE, FR, CZ, SK, PL, HU, RO ✓ 9 NAs, localized UI ✓ Broad EU NA coverage

Honest assessment — where each tool wins

Where SCIA Engineer wins
Mature FEM with decades of EN validation
  • Global structural analysis: multi-storey frames, continuous beams, 2D/3D plate elements, shell models — full FEM not limited to beam checks
  • Nonlinear analysis: geometric nonlinearity, P-delta, material nonlinearity, staged construction — critical for complex structures
  • Dynamic response: modal analysis, response spectrum (EN 1998), time-history, seismic checks with ductility classes fully modelled
  • Decades of EN validation documentation accepted by checking authorities in NL, BE, CZ, SK, PL — audit trail recognized by structural regulators
  • Broad multi-discipline model: steel, concrete, timber, aluminium in one model with EN code checks per section
  • SCIA Concept free tier allows smaller teams to access basic FEM checks without full licensing commitment
Where FrameAI wins
Autonomous intake, connection depth, and fabrication speed
  • PDF drawing intake: upload any structural PDF and get member schedule, connection specs, and EN code checks extracted automatically — no manual data re-entry
  • EN 1993-1-8 connection design depth: full component method with T-stub mode transitions, auto bolt-grade escalation, weld auto-sizing — SCIA uses simplified templates
  • DSTV NC1 7th edition built-in: fabrication NC1 files per part mark ready for CNC drill/saw lines — SCIA has no NC1 path
  • Browser-native: no Windows install, no license server, no IT procurement. Any engineer with a browser can run a check in 30 seconds
  • Free public calculators: bolt capacity, weld sizing, endplate moment, fin plate, baseplate, composite beam — no account needed
  • Price: see frameai-engineering.com/pricing vs typically €2,000–6,000/yr per seat for SCIA Professional/Expert (module-dependent)

Pricing comparison

SCIA (Nemetschek Group)
SCIA Engineer
SCIA Concept Free (limited model size)
SCIA Professional ~€2,000–4,000/yr per seat
SCIA Expert ~€4,000–6,000/yr (modules)
Desktop install (Windows) required.
Module-based pricing: concrete, composite, seismic, etc. each add cost.
14-day trial available; support and training extra.
FrameAI
Free → Pro → Studio
Free: unlimited public calculators + 1 PDF intake/month.
Pro: 50 PDFs/month + full EN reports + DXF + DSTV NC1.
Studio: team workspaces, API access, custom branding, DSTV batch export.
No install. No seat limits on calculators.
See all plans →

SCIA Engineer pricing based on public reseller estimates as of June 2026. Actual pricing varies by region, modules, and negotiated volume. Contact SCIA or an authorized reseller for current quotes. FrameAI pricing is as listed on /pricing.

Frequently asked questions

Does FrameAI replace SCIA Engineer for full structural analysis?
No, and we're explicit about this. SCIA Engineer is a mature FEM solver for global structural analysis — multi-storey frames, buckling, dynamic response spectrum (EN 1998), nonlinear P-delta effects, and simultaneous EN code checks across steel, concrete, and composite. FrameAI is purpose-built for the downstream connection-design and fabrication-output layer: EN 1993-1-8 bolt/weld/plate checks with full component method, PDF drawing intake via GPT-4o, and DSTV NC1 fabrication export. Many engineering teams in the Netherlands, Belgium, and Czech Republic run SCIA for global analysis and FrameAI for connection iteration and shop-drawing production.
Can FrameAI import a SCIA Engineer model?
Yes. Export your SCIA model to IFC 4 (File → Export → IFC) and upload to FrameAI for EN 1993-1-8 connection checks, DSTV NC1 fabrication export, and parametric shop drawings. FrameAI also accepts SAF v2.x for round-trip workflows. Alternatively, upload the structural PDF drawing set and FrameAI's GPT-4o intake pipeline extracts the member schedule and connection geometry automatically — no manual data re-entry.
What is SCIA Concept and who is it for?
SCIA Concept is the free tier of SCIA Engineer. It supports structural analysis for smaller, simpler models with a limited number of nodes and members. It's suitable for students, sole practitioners checking straightforward frames, and teams evaluating whether to upgrade. For production structural projects — multi-storey frames, composite design, EN 1998 seismic — you'll need SCIA Professional or Expert.
Does SCIA Engineer export DSTV NC1 files?
SCIA Engineer does not have native DSTV NC1 export. Fabrication-ready NC1 files typically require a Tekla Structures integration or a dedicated nesting/CAM tool. FrameAI exports DSTV NC1 7th edition directly — correct neutral-axis coordinates, hole blocks (BO), part marks, and all required sections — with a batch ZIP per project. If your downstream workflow goes to a CNC drill/saw line, FrameAI has a direct path that SCIA does not.
Does FrameAI support the Dutch and Belgian National Annexes?
Yes. Dutch NEN-EN and Belgian National Annexes are first-class in FrameAI — not add-ons. The calculator interface is fully localized in Dutch (NL) and German (DE), and National Annex partial factors flow through every EN 1993, EN 1994, EN 1992, and EN 1998 check. Given SCIA's Benelux market base, this is a natural pairing: SCIA for frame analysis with Dutch/Belgian NA, FrameAI for connection sign-off and fabrication output in the same NA context.
Is there scripting or automation support?
SCIA Engineer has a .NET scripting API (SCIA Automation) for parametric model generation and batch processing. FrameAI offers a Studio API (bearer-token REST) for batch PDF intake, connection design runs, and DSTV NC1 export — useful for firms processing dozens of drawing sets per week without manual intervention. Both tools support programmatic workflows, but at different layers of the design process.

Try the free EN calculators — no credit card.

Public bolt capacity, weld sizing, endplate moment, fin plate, baseplate, composite beam, and shear stud calculators. EN 1993/1994 results in the browser in 30 seconds. No SCIA license needed.

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