The 2024 AI Index Report offers a comprehensive analysis of AI's evolving role in society, highlighting key trends in technical advancements, public perceptions, and regulatory developments. This edition reveals the growing dominance of industry in AI research, the soaring costs of model training, and the increasing urgency for responsible AI practices. With a focus on productivity, scientific progress, and global awareness, the report serves as a crucial resource for policymakers, researchers, and the public to understand the multifaceted impact of AI.