Autodesk vs Bentley vs Hexagon: Enterprise CAD/BIM Licensing and TCO Comparison 2026

Autodesk's subscription premium has reopened competitive evaluations that most enterprises had shelved for a decade. Here is the full domain-by-domain switching viability assessment — and why running a Bentley evaluation improves your Autodesk EBA terms even if you never intend to leave.

Why This Comparison Matters More in 2026 Than It Did in 2020

Autodesk's subscription transition and sustained price increases have reopened a competitive evaluation that most AEC and industrial enterprises had not formally conducted in years. The stickiness of Autodesk's design tools — built on deep workflow integration, extensive training investment, and an industry-standard file format ecosystem — made the switching cost argument overwhelming for most organisations throughout the perpetual license era. That calculus has shifted. Autodesk's cumulative price increases have raised the annual cost of maintaining the status quo to levels that make a rigorous competitive evaluation commercially justified, even accounting for migration costs. Bentley Systems and Hexagon have matured their enterprise offerings, and both have been actively winning accounts from Autodesk in specific market segments.

This guide provides the commercial comparison enterprises need: licensing model and pricing structure for each vendor, discount mechanism availability, data portability and migration cost reality, interoperability with the broader AEC and industrial software ecosystem, and a domain-by-domain assessment of when switching is commercially viable. For the full Autodesk licensing context, see our Autodesk Enterprise Licensing Guide. For Autodesk EBA leverage using competitive evaluation, see our Autodesk EBA Negotiation Guide. For a vendor comparison advisory specific to your portfolio, our Autodesk advisory team builds structured competitive evaluations.

Licensing Model and Pricing: Side-by-Side

Domain-by-Domain Switching Assessment

Infrastructure design and transportation engineering (Civil 3D vs Bentley OpenRoads)

This is where Bentley's competitive position is strongest and where switching is most commercially viable. OpenRoads Designer and MicroStation are direct functional competitors to Civil 3D and AutoCAD for road, rail, bridge, and utility infrastructure design. Bentley has significant installed base in government infrastructure agencies in North America and Europe, and several major transportation departments have switched from Autodesk to Bentley or maintain both in parallel. File format interoperability is a genuine challenge — Civil 3D and OpenRoads use different native formats, and large projects with mixed design teams may require both — but for organisations with predominantly infrastructure-focused portfolios, a Bentley migration is commercially and technically viable. The switching cost in retraining and workflow rebuilding is typically 12 to 24 months of disruption; against Autodesk's compounding subscription premiums, the payback period at scale is often four to six years.

Architecture and building design (Revit vs Bentley OpenBuildings)

Revit dominates the architecture BIM market with a depth of workflow integration, family library ecosystem, and contractor adoption that makes displacement genuinely difficult. OpenBuildings Designer (formerly AECOsim) is a capable Bentley BIM tool with a loyal installed base, particularly in Europe and in industrial building projects. However, for commercial architecture and mixed-use development, Revit's industry-standard status creates interoperability dependencies — consultants, contractors, and clients expect Revit deliverables — that make switching commercially costly beyond the direct product licensing comparison. Revit-to-OpenBuildings migration is technically viable but strategically risky for firms embedded in Revit-standard delivery ecosystems. Our assessment: Revit switching viability is low for mainstream commercial architecture practices and moderate for industrial and infrastructure-heavy building firms.

Structural engineering (Robot Structural Analysis vs Bentley STAAD/RAM vs Hexagon SACS/CAESAR)

Structural analysis is the domain where specialist vendor tools most directly challenge Autodesk's offering. Bentley's STAAD.Pro and RAM Structural Suite have deep installed bases in structural engineering practices, and Hexagon's CAESAR II is the dominant tool for process piping stress analysis. For structural engineering firms that use Autodesk primarily for Revit BIM integration while relying on third-party structural analysis tools, the Autodesk attachment is partly a Revit dependency rather than a Robot Structural Analysis dependency. Switching structural analysis tools (to STAAD, PLAXIS, or CAESAR) is lower risk than switching BIM authoring tools — the switching cost is bounded by the structural analysis workflow, not the entire project delivery model.

Plant and process design (AutoCAD Plant 3D vs Hexagon Smart 3D vs Bentley OpenPlant)

For oil and gas, chemical processing, and industrial plant design, Hexagon (formerly Intergraph) Smart 3D and Smart P&ID are the dominant enterprise tools — and have been for decades. Autodesk AutoCAD Plant 3D is a credible tool for smaller plant projects but does not compete effectively at the enterprise scale of refinery and petrochemical plant design where Hexagon's toolset is entrenched. For process industry enterprises, the competitive dynamic is often the reverse of the standard AEC comparison: Hexagon is the incumbent and Autodesk is the challenger.

The competitive evaluation as negotiation lever

Even if an enterprise has no intention of migrating to Bentley, a formally documented competitive evaluation with Bentley pricing proposals is one of the most effective tools for improving Autodesk EBA terms. Autodesk's account teams respond to documented competitive alternatives in a way they do not respond to vague expressions of dissatisfaction. The commercial value of running a genuine evaluation — even if Autodesk is the preferred outcome — consistently exceeds the time and cost of the evaluation process.

Data Portability and Migration Cost Reality

Any switching analysis that focuses only on license cost without modelling migration cost is commercially incomplete. The migration cost for a significant Autodesk-to-Bentley or Autodesk-to-Hexagon transition includes: retraining the design team on new tools (typically 2 to 4 weeks of reduced productivity per user, plus formal training cost), converting the legacy file and data library to the new tool's native format (project archive conversion, standard detail libraries, specification databases), rebuilding or acquiring equivalent add-on tools and integrations (Autodesk has a large ecosystem of third-party plug-ins; some may not have Bentley or Hexagon equivalents), and managing transition-period interoperability for ongoing projects that cannot switch mid-delivery.

For a 100-person design firm switching from Autodesk to Bentley for infrastructure design, a realistic migration cost estimate is $500k to $1.5M over the first 24 months — including productivity loss, training, file conversion, and tool replacement. Against annual Autodesk subscription costs of $400k to $600k for that firm, the payback period is two to four years. For large enterprises with $2M to $5M or more annual Autodesk spends, the payback period for a successful infrastructure or plant design migration can be 12 to 24 months. For advisory support building a migration cost model specific to your portfolio, contact our team.

Get an Independent Autodesk vs Bentley vs Hexagon Comparison

Our Autodesk advisory team builds structured vendor comparisons including license cost modelling, migration cost estimates, interoperability risk assessment, and a go/stay recommendation based on your specific portfolio and project delivery model. For benchmarking context across the broader enterprise software market, see our Enterprise Software Benchmarking Guide. For the CIO-level perspective on using competitive evaluation as leverage, see our CIO Negotiation Leverage Guide.

The Autodesk Perpetual to Subscription Cost Analysis provides the honest 5-year subscription cost premium that makes the competitive evaluation commercially justified. The AEC Collection Licensing Guide covers AEC Collection right-sizing which reduces switching friction for migration candidates.

Related Autodesk Guides