CATIA vs Siemens NX: 2026 Comparison
Side-by-side comparison of CATIA (3D Modeling) and Siemens NX (CAE/CAM): pricing, platforms, ratings, supported file formats, deployment options, and the specific strengths each tool brings to a CAD team in 2026.
C
CATIA
$4500 (Subscription)
★ 4.7/5 expert score
The high-end PLM standard for Aerospace and Automotive engineering.
SN
Siemens NX
$6000 (Subscription)
★ 4.8/5 expert score
Powerful high-end CAD/CAM/CAE suite for advanced manufacturing.
| CATIA | Siemens NX | |
|---|---|---|
| Expert score | ★ 4.7/5 | ★ 4.8/5 |
| Pricing | $4500 (Subscription) | $6000 (Subscription) |
| Platforms | Windows | Windows, Linux |
| External reviews | 605 reviews on G2 / Capterra / TrustRadius | 520 reviews on G2 / TrustRadius / Gartner Peer Insights |
| Free trial | — | 30 days |
| File formats | CATPart, CATProduct, CATDrawing, STEP, IGES, 3DXML, … | PRT, STEP, IGES, Parasolid, JT, CATPart, … |
| Deployment | Desktop, Cloud, On-Premise | Desktop, Cloud, On-Premise |
| API / SDK | Yes (CAA / 3DEXPERIENCE API) | Yes (NX Open / Open C / Open C++) |
| Industries | Aerospace, Automotive, Shipbuilding | Aerospace, Consumer Electronics, Energy |
| Strengths | Complex assembly handling · Superior surfacing · Deep PLM integration | Rapid geometry edits · Exceptional CAD-CAM integration · Native Linux support |
| Limitations | Prohibitively expensive · Steep learning curve · Extreme hardware reqs | High entry price · Complex licensing · Specialized training req |
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