A Comprehensive Review of AI Agents: Transforming Possibilities in Technology and Beyond
Xiaodong Qu, Andrews Damoah, Joshua Sherwood, Peiyan Liu, Christian Shun Jin, Lulu Chen, Minjie Shen, Nawwaf Aleisa, Zeyuan Hou, Chenyu Zhang, Lifu Gao, Yanshu Li, Qikai Yang, Qun Wang, Cristabelle De Souza

TL;DR
This review comprehensively examines the evolution, architecture, and challenges of AI agents, highlighting recent breakthroughs and future research directions to enhance robustness, adaptability, and trustworthiness in autonomous systems.
Contribution
It systematically synthesizes current architectural principles, paradigms, and ethical considerations, providing a unified overview of the state-of-the-art in AI agent development.
Findings
Emergence of multi-disciplinary models combining cognitive science and reinforcement learning
Identification of key challenges in integration, safety, and interpretability
Guidance on future research directions for robust AI agents
Abstract
Artificial Intelligence (AI) agents have rapidly evolved from specialized, rule-based programs to versatile, learning-driven autonomous systems capable of perception, reasoning, and action in complex environments. The explosion of data, advances in deep learning, reinforcement learning, and multi-agent coordination have accelerated this transformation. Yet, designing and deploying unified AI agents that seamlessly integrate cognition, planning, and interaction remains a grand challenge. In this review, we systematically examine the architectural principles, foundational components, and emergent paradigms that define the landscape of contemporary AI agents. We synthesize insights from cognitive science-inspired models, hierarchical reinforcement learning frameworks, and large language model-based reasoning. Moreover, we discuss the pressing ethical, safety, and interpretability concerns…
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Taxonomy
TopicsAdvanced Technology in Applications · Organizational and Employee Performance · AI in Service Interactions
