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Head-to-head · Plant Design Management Systems Software

CADISON vs OpenPlant Modeler

  • Updated Sep 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score CADISON #4 in Plant Design Management Systems Software 7.3/10 Pricing on request ✓ 5 of 5 features Visit CADISON
OpenPlant Modeler #5 in Plant Design Management Systems Software 7.2/10 From $5,839/mo (annual) ✓ 0 of 5 features Visit Bentley

CADISON leads on 5 checks, OpenPlant Modeler on 0, and 1 is even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCADISON · 7.3/10
  • Most featuresCADISON · 5 of 5

CADISON scores higher on our rubric for plant design management systems software: 7.3 against 7.2 out of 10; our editors rank them #4 and #5.

CADISON offers 3d model coordination; OpenPlant Modeler doesn't publish it. CADISON offers p&id authoring; OpenPlant Modeler doesn't publish it. CADISON offers isometric drawings; OpenPlant Modeler doesn't publish it. CADISON offers clash detection; OpenPlant Modeler doesn't publish it. CADISON offers document control; OpenPlant Modeler doesn't publish it.

CADISON is the better fit for budget-conscious teams wanting complete plant authoring. OpenPlant Modeler is the better fit for bentley users needing parametric plant modeling.

  • CADISON fits best

    Budget-conscious teams wanting complete plant authoring

  • OpenPlant Modeler fits best

    Bentley users needing parametric plant modeling

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature CADISON 7.3/10 Visit ↗ OpenPlant Modeler 7.2/10 Visit ↗
At a glance
Editor score 7.3 7.2
Ranking #4 in Plant Design Management Systems Software #5 in Plant Design Management Systems Software
Best for Budget-conscious teams wanting complete plant authoring Bentley users needing parametric plant modeling
Pricing model Paid Paid
Starting price Not published Not published
Free plan Not published —
Free trial — —
Deployment Desktop, Cloud Desktop, Cloud
Platforms Windows Windows
Support Email, Phone, Tickets Live chat, Community, Docs
Integrations 8 integrations 6 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features CADISON 5/5 · OpenPlant Modeler 0/5
3D model coordination ✓ (best) Not published
P&ID authoring ✓ (best) Not published
Isometric drawings ✓ (best) Not published
Clash detection ✓ (best) Not published
Document control ✓ (best) Not published
Specs
Deployment Hybrid Not published
Our review
Pros
  • Covers PFD/P&ID, 3D layouts, piping and isometric drawing generation
  • Centralizes plant data, documents, revisions, workflows and permissions
  • Connects with AutoCAD, Navisworks, CAESER II, ROHR2 and ERP systems
  • Models equipment, piping, HVAC, cable tray, and structural steel.
  • Supports clash detection, point-cloud integration, and material reporting.
  • Connects with PlantSight, iTwin, ProjectWise, and other Bentley tools.
Cons
  • Licensing requires a sales quotation rather than published numeric pricing
  • Its broad engineering scope may exceed teams needing only a single design tool
  • The annual subscription's latest features and updates come with support
  • The displayed annual price is $5,839 per license.
  • Runs on Windows rather than across multiple desktop platforms.
  • Its workflow is centered on plant engineering, not general-purpose CAD.
Our verdict

CADISON brings process and plant engineering work into one data-driven environment for professional teams in industries such as chemical, pharmaceutical, oil and gas, power, water and wastewater, and food and beverage. Its scope runs from…

Read the review →

OpenPlant Modeler is Bentley Systems’ Windows software for creating 3D plant designs. It is aimed at engineering firms, owner-operators, and project teams working on process, mining, water, wastewater, and power facilities. Parametric…

Read the review →
  1. CADISONPlant Design Management Systems Software 7.3Pricing on request
  2. OpenPlant ModelerPlant Design Management Systems Software 7.2From $5,839/mo (annual)

Strengths and trade-offs

  • CADISON — where it wins

    • Covers PFD/P&ID, 3D layouts, piping and isometric drawing generation
    • Centralizes plant data, documents, revisions, workflows and permissions
    • Connects with AutoCAD, Navisworks, CAESER II, ROHR2 and ERP systems

    Where it doesn't

    • Licensing requires a sales quotation rather than published numeric pricing
    • Its broad engineering scope may exceed teams needing only a single design tool
    • The annual subscription's latest features and updates come with support

  • OpenPlant Modeler — where it wins

    • Models equipment, piping, HVAC, cable tray, and structural steel.
    • Supports clash detection, point-cloud integration, and material reporting.
    • Connects with PlantSight, iTwin, ProjectWise, and other Bentley tools.

    Where it doesn't

    • The displayed annual price is $5,839 per license.
    • Runs on Windows rather than across multiple desktop platforms.
    • Its workflow is centered on plant engineering, not general-purpose CAD.
  • CADISON7.3/10 · Pricing on request

    A broad plant authoring suite connecting engineering disciplines through a shared database.

    Visit CADISONFull verdict →
  • OpenPlant Modeler7.2/10 · From $5,839/mo (annual)

    A Windows plant modeler with broad discipline coverage and a high annual license price.

    Visit BentleyFull verdict →

More comparisons

All plant design management systems software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update