This book constitutes the refereed proceedings of the Third International Conference on Recent Trends in AI Enabled Technologies, ThinkAI 2025, which took place in Hyderabad, India, during December 19-20, 2025.The 21 full papers included in this book were carefully reviewed and selected from 108 submissions. They focus on innovative research directions spanning core AI methodologies, real-time intelligent systems, multimodal learning frameworks, agentic AI, and sustainable AI-driven technologies.