IBM ILOG CPLEX Optimization Studio Review

Easy-to-use interface and the speed have helped me in my integer research

What is our primary use case?

I use it primarily for my research. My research involves a lot of solving, a lot of integer programs and linear programs, and I primarily use CPLEX for doing that.

It has been very good for me. It has helped me a lot in my research.

What is most valuable?

I think the speed, compared to other competitive software, is one of the things that I really like about CPLEX.

It also provides a very easy to use interface.

How has it helped my organization?

There is not much coding overhead to solve multi-dimensional problems. It allows me to just focus on the actual problem and not coding.

What needs improvement?

I'm pretty happy with the current release because I don't use a lot of fancy features of CPLEX. I use it just if I have to solve a linear program or I have to solve an integer problem.

There are some very rare cases when some integer programming problems are performed better by Gurobi compared to CPLEX, but it happens very rarely.

What do I think about the stability of the solution?

I have not faced any issues with instability in CPLEX. My problem-size is not that big. I'm not trying to explain super large problems.

How are customer service and technical support?

I haven't used it.

Which solution did I use previously and why did I switch?

Yes, I switched between Gurobi and CPLEX for a while there.

How was the initial setup?

I wasn't involved.

What other advice do I have?

I would strongly recommend using CPLEX as a problem solver. As I said earlier, in some cases - and I've heard this from some of my colleagues who have faced this problem - in somewhat large integer programming problems, Gurobi performs better in respects, but for me my problem size is not that big. For me they're both competitive to each other.

**Disclosure: I am a real user, and this review is based on my own experience and opinions.
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