Gurobi Optimizer

Gurobi Optimizer is a mathematical solver for turning business problems into optimization models and solutions. It suits operations research analysts, developers, data scientists, and academic users who can formulate those models. Its breadth and deployment flexibility are compelling, but the free license caps model size and is not for production.

Overview

Rather than offering a ready-made application for a particular business workflow, Gurobi provides a solver that teams can embed in applications, services, and data pipelines. It covers linear, mixed-integer, quadratic, combinatorial, nonlinear, conic, and multi-objective problems. That range makes it a strong fit when a team needs to solve different classes of optimization models with one product; it is less suitable for readers seeking a packaged business tool that does the modeling for them.

For non-convex quadratic problems, Gurobi can prove a global optimum rather than stopping at a local one, an important distinction when the quality of the best solution must be established.

Key features

Solving and diagnostics

Parallel and distributed optimization, presolve, cutting planes, heuristics, and symmetry handling are among Gurobi’s speed-enabling capabilities. The product also offers sensitivity and infeasibility analysis, feasibility relaxation, and solution quality attributes. Together, these tools support both finding solutions and investigating models that are infeasible or whose results need scrutiny.

Multiple solver methods, constraint modeling, and scenario simulation give modelers several ways to approach optimization work. The tradeoff is that Gurobi is a technical component: teams need the expertise to define the model and integrate the solver into their workflow.

APIs and deployment

APIs are available for C, C++, Java, .NET, Python, MATLAB, and R. Gurobi supports local, server, cloud, and container deployments. Instant Cloud runs the solver on AWS or Azure as a managed service, avoiding the need for users to deploy or maintain that infrastructure. For managed environments, Remote Services supports authenticated Cluster Manager access, role-based access, and encrypted communication with TLS 1.2 or later.

Pricing

Gurobi uses a freemium model. The automatically included gurobipy license is for non-production use and caps models at 2,000 variables and 2,000 linear constraints, or 200 variables for models with quadratic terms. That is useful for learning and small experiments, but the limit makes it unsuitable for production workloads or larger models.

• Size-limited license: free. Non-commercial use only, with the same limits of 2,000 variables and 2,000 linear constraints, or 200 variables for models with quadratic terms. It suits students and users exploring small models, not commercial work.
• Commercial evaluation license: free, billed 30 days. It is full-featured with no model size limits and includes benchmarking, model tuning, technical guidance, and support. This is the practical route for commercial teams evaluating larger models before choosing a commercial license.
• Academic license: free. Faculty, staff, and students at degree-granting institutions receive a full-featured license with no model size limits, making it the strongest fit for eligible research and teaching use.
• Commercial license: Custom pricing by quote, with options varying by deployment and usage requirements. Teams moving beyond evaluation should compare the quoted terms with their deployment needs.

Gurobi also offers a free trial. The 30-day term applies to the commercial evaluation license; the academic license is restricted to eligible institutions.

Platforms

Gurobi supports API, Linux, macOS, Windows, and self-hosted use. Its deployment choices span local systems, servers, cloud, and containers, so teams can align the solver with an existing technical environment rather than being limited to a web-only service.

Who it's for

Operations research analysts, software developers, data scientists, academics, and students are the audiences Gurobi identifies. It is best for people who need a solver they can connect to their own models and software. Readers who need a finished planning or business application should consider a purpose-built alternative instead.

Pros and cons

• Pro: Broad support for optimization problem types, including global optimization for non-convex quadratic problems, suits varied and demanding modeling work.
• Pro: APIs across seven programming languages and several deployment choices make integration into existing systems practical.
• Pro: Model diagnostics can help users assess infeasibility, sensitivity, and solution quality rather than treating the solver as a black box.
• Con: The default free license is non-production and sharply caps model size, so serious commercial use requires evaluation or a paid license.
• Con: The product is a solver, not a ready-made business application; users must bring modeling and integration expertise.

Alternatives

For a broader comparison, see Prescriptive Analytics Software.

• Lokad is a web-based, paid supply chain optimization subscription with a free plan and trial; consider it when a supply-chain-focused service is a better fit than integrating a general solver.
• Manhattan Active Inventory Replenishment is a paid API and web option without a free plan; consider it when inventory replenishment is the specific need.
• OMP Unison Planning is a paid web planning product with custom pricing; consider it when a planning application is preferable to a solver component.
• RELEX Solutions is a paid product with API and iOS platforms; consider it as an alternative if those platform options fit your requirements.
• SAS Visual Statistics runs on SAS Viya and is an enterprise-scale statistical modeling option, with a free trial and custom pricing; consider it when statistical modeling is the priority.
• Competera is a paid API and web option with competitive price monitoring and AI-powered product matching; consider it when those capabilities are more central than general-purpose optimization.
• Descartes Customs and Regulatory Compliance is a paid API and web platform for imports, exports, and NCTS transit movements; consider it for customs and regulatory workflows.
• E2open Planning offers connected planning with custom pricing; consider it when that planning focus is the better match.

Verdict

Choose Gurobi Optimizer if you need a versatile mathematical solver that can handle demanding model types and integrate into your own software and deployment environment. Its global optimization and diagnostic capabilities are meaningful strengths. Look elsewhere if you need a ready-to-use business application, or if the free license’s non-production terms and size caps rule out your intended work.