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GAMS Solvers

A large number of solvers for mathematical programming models has been hooked up to GAMS. Below we give a brief description of each solver. For more information click on the appropriate link.

AlphaECP MINLP solver based on the extended cutting plane (ECP) method
ANTIGONE Deterministic global optimization for MINLP from Princeton University
AMPL A link to solve GAMS models using solvers within the AMPL modeling system
BARON Branch-And-Reduce Optimization Navigator for proven global solutions from The Optimization Firm
BDMLP LP solver that comes with any GAMS system
BENCH A utility to facilitate benchmarking of GAMS solvers and solution verification
BONMIN COIN-OR MINLP solver implementing various branch-and-bound and outer approximation algorithms
CBC High-performance LP/MIP solver from COIN-OR
CONOPT Large scale NLP solver from ARKI Consulting and Development
CONVERT Framework for translating models into scalar models of other languages
COUENNE Deterministic global optimization for (MI)NLP from COIN-OR
CPLEX High-performance LP/MIP solver from IBM
DE Generates and solves the deterministic equivalent of a stochastic program, included in EMP/SP
DECIS Large scale stochastic programming solver from Stanford University
DICOPT Framework for solving MINLP models. From Carnegie Mellon University
EMP Framework for Extended Mathematical Programming
EMP/SP Stochastic Programming (SP) with EMP
EXAMINER A tool for examining solution points and assessing their merit
GAMS/LINGO A link to solve GAMS models using solvers within the LINGO modeling system
GAMSCHK A System for Examining the Structure and Solution Properties of Linear Programming Problems Solved using GAMS
GLOMIQO Branch-and-bound global optimization for mixed-integer quadratic models from Princeton University
GUROBI High performance LP/MIP solver from Gurobi Optimization
GUSS A framework for solving many instances of related models efficiently (Gather-Update-Solver-Scatter)
IPOPT COIN-OR Large scale Interior Point Optimizer for nonlinear programming
KESTREL Framework for using remote NEOS solvers with a local GAMS system
KNITRO Large scale NLP solver from Ziena Optimization, Inc.
LGO A global-local nonlinear optimization solver suite from Pinter Consulting Services
LINDO A stochastic solver from Lindo Systems, Inc. Includes an unrestricted version of LINDOGLOBAL
LINDOGlobal MINLP solver for proven global solutions from Lindo Systems, Inc.
MILES MCP solver from University of Colorado at Boulder that comes with any GAMS system
MINOS NLP solver from Stanford University
MOSEK Large scale LP/MIP plus conic and convex non-linear programming system from MOSEK ApS
MPSGE Modeling Environment for CGE models from University of Colorado at Boulder
MSNLP Multi-start method for global optimization from Optimal Methods Inc.
NLPEC MPEC to NLP translator that uses other GAMS NLP solvers
OQNLP Multi-start method for global optimization from Optimal Methods Inc.
OS Remote solves via a COIN-OR Optimization Services solver with a local GAMS system
PATH Large scale MCP solver from University of Wisconsin at Madison
PATHNLP Large scale NLP solver for convex problems from University of Wisconsin at Madison
SBB Branch-and-Bound algorithm from ARKI for solving MINLP models
SCIP High-performance Constraint Integer Programming solver from Zuse Institute Berlin, TU Darmstadt, and Uni Erlangen
SNOPT Large scale SQP based NLP solver from Stanford University
SOPLEX High-performance LP solver from Zuse Institute Berlin
SULUM Large scale LP/MIP solver from Sulum Optimization
XA Large scale LP/MIP system from Sunset Software
XPRESS High performance LP/MIP solver from FICO

These are the model types supported by each solver.

Supported Platforms

Solver/Platform availability - 24.3
  x86 32bit
MS Windows
x86 64bit
MS Windows
x86 64bit
Linux
x86 64bit
MacOS X
x86 64bit
SOLARIS
Sparc 64bit
SOLARIS
IBM Power 64bit
AIX
ALPHAECP x x x x x x x
ANTIGONE 1.1 x x x        
BARON 14.0 x x x        
BDMLP x x x x x x x
BONMIN 1.7 x x x x x    
CBC 2.8 x x x x x    
COUENNE 0.4 x x x x x    
CONOPT 3 x x x x x x x
CPLEX 12.6 x x x x x x x
DECIS x x x     x  
DICOPT x x x x x x x
GLOMIQO 2.3 x x x        
GUROBI 5.6 x x x x     x
IPOPT 3.11 x x x x x    
KNITRO 9.0 x x x x 8.1    
LINDO 8.0 x x x x x    
LINDOGLOBAL 8.0 x x x x x    
LGO x x x x x x  
MILES x x x x x x x
MINOS x x x x x x x
MOSEK 7 x x x x      
MPSGE x x x x x x x
MSNLP x x x x   x  
NLPEC x x x x x x x
OQNLP x 32bit          
PATH x x x x x x x
SBB x x x x x x x
SCIP 3.1 x x x x x    
SNOPT x x x x x x x
SOPLEX 2.0 x x x x x    
SULUM 2.0 x x x        
XA x x x        
XPRESS 26.01 x x x x x x x

For backward compatibility we maintain older versions of operating systems and solvers. Please call.