This book constitutes the refereed proceedings of the 14th International Conference on AI and Multimodal Services – AIMS 2025, held as Part of the Services Conference Federation, SCF 2025, in Hong Kong, China, during September 27–30, 2025.The 9 full papers included in this book were carefully reviewed and selected from 22 submissions. They focus on for the development, publication, discovery, orchestration, invocation, testing, delivery, certification, and management of artificial intelligence (AI) and multimodal applications and services.