Frequently asked questions

Get answers to the most commonly asked questions about this product.

Assuming you have a fast Internet connection, you can expect to be using IBM ILOG CPLEX Optimization Studio Community Edition in about 15 minutes.

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IBM ILOG CPLEX Optimization Studio Community Edition is available on Windows64, Linux64 and macOS. The Development and Deployment Editions are available on Windows64, Linux 64 (Intel, Power and Z platforms), and AIX. IBM CPLEX Optimizer is available on z/OS.

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Read our solution brief. You can learn how to optimize your business decisions, develop and deploy optimization models, and create real-world applications to improve business outcomes.

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Visit our Decision Optimization blog on IBM developerWorks to learn about .recent developments in products and services. Check back regularly for information about new features, new samples and tutorials, and technical events.

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Our Meet CPLEX page on IBM Knowledge Center introduces CPLEX, explains what it does, suggests prerequisites and offers advice for using the documentation.

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IBM ILOG CPLEX Optimization Studio subscription is supported on Windows, macOS, and Linux (on x86 platforms). Please refer to the system requirements information on the supported releases of this product.

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Contact our sales organization for any questions about pricing and to request a demo.

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Yes, we offer IBM ILOG CPLEX Optimization Community Edition for free. You can register to download it at the link below. The Community Edition is restricted to problems up to 1000 variables and 1000 constraints. A time-limited trial without restrictions on problem size is available upon request.

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Besides the commercial version, IBM runs the IBM Academic Initiative where students and faculty members have access to the product at no cost. Our academic entry is without functional or and model size limitations, and you must register to check your eligibility.

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The IBM ILOG CPLEX Optimization Studio subscription can be purchased as a monthly subscription and is charged at the beginning of the monthly billing period. You will be automatically billed on a periodic basis, according to the terms of your subscription.

Before you reach to the next month of your IBM ILOG CPLEX Optimization Studio subscription offering, you have to contact eCare to cancel your automatic renewal.

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A single subscription may include one or more users, and each user receives a personal key to unlock the software. Each member of your team who uses IBM ILOG CPLEX Optimization Studio needs to have his/her own key. Users can be managed from My Products and Services.

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Each day when the first "solve" happens, the software goes to check eligibility to use the product unlimited. However, after at least one check, the user can be offline for 14 days before the product goes back to the limited mode.

IBM has perpetual licenses for development and deployment as well as hosted cloud offerings. Machine-capacity and user-based entitlements in addition to thread-based for clusters are also available. Contact an IBM sales representative or see below for more details on the hosted cloud offering.

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The IBM ILOG CPLEX Optimization Studio subscription allows only development use. There is unlimited variables and constraints and support is included as long as the subscription is active.

Please visit our IBM Knowledge Center page to help you troubleshoot and find support for ILOG CPLEX Optimization Studio.

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Please visit our IBM Support site for IBM ILOG CPLEX Optimization Studio for product documentation, tools, resources and more.

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Yes, we have a IBM Decision Optimization support team that can help answer your questions.

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Indeed, we have a IBM Decision Optimization forum on our IBM developerWorks community that's free of charge where you can post questions and answers and network with like-minded peers.

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Yes, Support is included for the purchased months for subscription, and 12 months for the other licensing options.

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Cognitive Class offers a free course for those interested in addressing business optimization problems. The Mathematical Optimization for Business Problems course will prepare you to construct simple optimization models, and it provides tips for better modeling practice.

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IBM Knowledge Center has a selection of printed resources about optimization and mathematical or linear programming.

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Please follow our IBM Data Science Twitter handle for news and updates around IBM Decision Optimization products and services.

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Yes, we have IBM Decision Optimization Virtual User Group meetings and a dedicated page. The meetings will provide you with updated and useful information about our products and how to get the best value from our optimization technology and solutions.

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Yes, we have the IBM Decision Optimization Community on LinkedIn that allows you to collaborate for networking and sharing knowledge.

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