About

This is a collection of continuous bilevel optimization problems form a range of applications. The project is in it's third iteration. For the original library which is no longer maintained, see

Contributing

We welcome contributions of new bilevel problems, datasets, and improvements to existing instances. Please see

Citing

If you use these benchmarks in your research, please cite our work to help support the community.

@report{bolib3,
    title = {BOLIB: Bilevel optimisation library for benchmarking},
    author = {Samuel Ward, Alain Zemkoho, Jordan Fisher, David Benfield, Yaru Qian},
    year = {2025},
    institution = {University of Southampton}
}

Contact

For questions, citing information, collaboration opportunities, or to report corrections, please get in touch using the contact details below.