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My company has asked me to pick a optimization solver for my project which involves solving a large MIP problem. I have narrowed the search down to two vendors: IBM ILOG CPLEX vs FICO XPRESS.
CPLEX has been the industry's gold standard for years but XPRESS put up a good argument that some of the big companies have abandoned CPLEX for XPRESS for a better solver performance and more flexible modeling environment. Could someone share with me their experience on this subject? Thanks.