This book constitutes the proceedings of the 15th International Conference on AI and Multimodal Services, AIMS 2026, held as part of the Smart Computing Frontier, SCF 2026, which took place in Kuala Lumpur, Malaysia, during August 22-25, 2026.

The 9 full papers included in this book were carefully reviewed and selected from 22 submissions. The papers are organized in two different tracks: The Research Track and the Application and Industry Track. They deal with the development, publication, discovery, orchestration, invocation, testing, delivery, certification, and management of artificial intelligence (AI) and multimodal applications and services.