AlphaDev is an AI system that employs reinforcement learning to discover better computer science algorithms. It recently unveiled a faster sorting algorithm, crucial for tasks like ranking search results and organizing data. Unlike traditional methods, AlphaDev starts from scratch and explores computer assembly instructions, where untapped improvements lie. Through a challenging "assembly game," it trains itself to find superior algorithms that outperform existing ones. The game's complexity is immense, with countless potential instruction combinations to explore. This breakthrough represents a significant advancement in using AI to optimize various algorithms across industries. Moreover, by open-sourcing the new sorting algorithms in the C++ library, AlphaDev empowers developers worldwide to integrate them into AI applications, revolutionizing computer programming and impacting our digital society profoundly.