ShiZhen AI

Oct 12, 2026 · Artificial Intelligence

Why AI Feels Useless to Some but Indispensable to Others: Karpathy's 4-Layer Funnel

The article explains the divergent AI experiences using Andrej Karpathy's four-layer funnel model, showing how task complexity, domain verifiability, and access levels create vastly different perceptions of AI utility, and provides a practical framework for selecting verifiable tasks to test AI agents effectively.