Delta 2026 is an international student competition focused on Applied Mathematics and Artificial Intelligence, taking place in Zagreb, Croatia, from April 7–12, 2026.

The competition will bring together 100 outstanding STEM students from around the world, selected through a competitive application process, to tackle real-world challenges at the intersection of AI, data science, optimization, mathematical modeling, and quantitative analysis. Participation in Delta 2026 is free of charge. In addition, selected participants will be provided with complimentary accommodation for two nights . Please note that travel expenses are to be covered by the participants. Applications and full details are available at: https://delta-competition.com/