This book comprises select peer-reviewed proceedings of the 6th International Conference on Recent Advancements in Mechanical Engineering (ICRAME 2025). It focuses on the recent advancements in artificial intelligence, use of artificial intelligence tools in analysis, data prediction, modeling, etc. The book also covers optimization of thermal and other mechanical engineering systems, integration of artificial intelligence generated data in an optimizer model for overall performance optimization. The book offers a source of information and inspiration for researchers seeking to improve their work and gather new ideas for future developments in this field. This publication can be a valuable resource for researchers and professionals in the field of artificial intelligence and optimization.