GAMS vs OpenModelica

Struggling to choose between GAMS and OpenModelica? Both products offer unique advantages, making it a tough decision.

GAMS is a Development solution with tags like optimization, mathematical-modeling, algebraic-modeling.

It boasts features such as High-level modeling language, Solver-independent, Large library of built-in functions and modeling capabilities, Interfaces to many optimization solvers, Scaleable to large, complex models, Can call external programs and languages and pros including Very flexible and versatile for modeling optimization problems, Allows rapid prototyping and testing of models, Many solvers available to handle different problem types, Can handle very large, complex models.

On the other hand, OpenModelica is a Development product tagged with opensource, modeling, simulation, integrated-environment, industrial-usage, academic-usage.

Its standout features include Modeling and simulation of complex systems, Acausal modeling with Modelica language, Integrated development environment, Model library with many common component models, Simulation of both continuous and discrete systems, Optimization and symbolic algorithms, Import/export of models and libraries, Modeling, simulation and analysis of electrical power systems, Real-time simulation and hardware-in-the-loop simulations, and it shines with pros like Free and open source, Cross-platform (Windows, Linux, Mac), Active development community, Good documentation and tutorials, Flexible licensing for commercial use.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

GAMS

GAMS

GAMS (General Algebraic Modeling System) is an advanced programming language designed for mathematical programming and optimization. It allows complex optimization models to be built from algebraic statements and solved efficiently.

Categories:
optimization mathematical-modeling algebraic-modeling

GAMS Features

  1. High-level modeling language
  2. Solver-independent
  3. Large library of built-in functions and modeling capabilities
  4. Interfaces to many optimization solvers
  5. Scaleable to large, complex models
  6. Can call external programs and languages

Pricing

  • Subscription-Based

Pros

Very flexible and versatile for modeling optimization problems

Allows rapid prototyping and testing of models

Many solvers available to handle different problem types

Can handle very large, complex models

Cons

Steep learning curve

Not open source

Expensive licensing costs

Limited visualization and reporting capabilities


OpenModelica

OpenModelica

OpenModelica is an open-source modeling and simulation environment intended for industrial and academic usage. It provides an integrated graphical modeling, compilation and simulation environment based on open standards.

Categories:
opensource modeling simulation integrated-environment industrial-usage academic-usage

OpenModelica Features

  1. Modeling and simulation of complex systems
  2. Acausal modeling with Modelica language
  3. Integrated development environment
  4. Model library with many common component models
  5. Simulation of both continuous and discrete systems
  6. Optimization and symbolic algorithms
  7. Import/export of models and libraries
  8. Modeling, simulation and analysis of electrical power systems
  9. Real-time simulation and hardware-in-the-loop simulations

Pricing

  • Open Source

Pros

Free and open source

Cross-platform (Windows, Linux, Mac)

Active development community

Good documentation and tutorials

Flexible licensing for commercial use

Cons

Limited analysis and debugging capabilities compared to commercial tools

Less extensive model libraries than commercial alternatives

Lacks some advanced simulation algorithms present in commercial tools