Bilevel Optimization Problem Library

Welcome to the bilevel optimization problem library version 0.1. This is the first (as far as we know) source for bilevel optimization problem instances. Please send your instances to Ted Ralphs (ted(at) and Elspeth Adams (ela215(at)!

Detailed Information

See the details of certain bilevel problem instances by category:


Download the instances: zip (1.8MB); tgz (1.6MB)

Learn about MibS input file format: pdf; html


The bilevel optimization problem library is maintained by Ted Ralphs (ted(at) and Sahar Tahernejad (sat214(at)
Please notify us if you find optimal solutions to previously unsolved problems or have additional instances to contribute to the library.


2/16: Website came online