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gPROMS Process vs Aspen HYSYS

Put any two products side by side: specification, the six criteria and the EPC Index needle.

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FIG. 076

gPROMS Process

Siemens · Process Simulation

A modelling power tool for high-fidelity digital twins and optimisation, best in the hands of specialists.

FIG. 003

Aspen HYSYS

AspenTech · Process Simulation

The benchmark simulator for oil and gas and refining. Its depth and the size of its user community make it the safe default for EPC process teams in hydrocarbons.

9Capability25%10
7Interoperability20%7
7Scale15%9
5Usability15%7
6Deployment10%6
6Ecosystem15%10

Attribute	gPROMS Process	Aspen HYSYS
Vendor	Siemens	AspenTech
Category	Process Simulation	Process Simulation
Status	Active	Active
Deployment	Desktop	Desktop
Licensing	Commercial licence	Commercial licence
Standards	n/a	n/a
Strengths	Equation-based modelling depth Optimisation and model-based design Siemens portfolio links	Steady-state and dynamics in one tool Relief and safety study coverage Largest pool of trained engineers
Considerations	Specialist skill set required Not a typical day-to-day flowsheeting tool Smaller user community	Premium licensing Chemicals-heavy work may suit Aspen Plus better Cloud deployment is not its strong suit

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