CPLEX Optimization Studio speeds development and deployment of optimization models, combining leading solver engines with a tightly integrated IDE and modeling language.

Speed development and deployment of optimization models, using linear/quadratic, mixed integer, and constraint programming and constraint-based scheduling. Ensure reliable development and maintenance using a transparent modeling language and intuitive tools for model testing, profiling, and tuning.

Starting May 2012, ILOG Optimization products that are available to Academic Initiative members no longer require license keys. Membership is open to qualifying faculty members, research professionals at accredited institutions, members of standards organizations, and IBM employees and contractors. However, some ILOG Optimization products available before May 2012 are protected by license keys.

Click on your OS logo to download your IBM CPLEX Optimization Studio 12.5.1 version below;

Click on your OS logo to download your IBM CPLEX Optimization Studio 12.5.1 version below; 
This software is licensed as an eAssembly. An eAssembly is a downloadable version of a CD-ROM. You may not transfer or remarket individual products from it as this would violate the license terms applicable to the eAssembly. Your acceptance of the license terms applicable to the eAssembly is a precondition to your downloading and using the eAssembly.