The two-volume set, LNAI 17149 and 17150, constitutes the proceedings of the 25th Mexican International Conference on Artificial Intelligence, MICAI 2026, held in Chihuahua, Mexico, during November 2-6, 2026.

The 78 full papers presented in these proceedings were carefully reviewed and selected from 253 submissions. The papers presented in these two volumes are organized in the following topical sections:

Part I - Applied Machine Learning; Natural Language Processing; and Neural Networks;

Part II - Knowledge-Based and Intelligent Systems; and Computational Intelligence and AI Applications.