Andrej Karpathy: "It is hard to communicate how much programming has changed due to AI in the last 2 months."

Karpathy's 4.9M-view viral thread declaring a step-function shift in AI coding agents since December 2025 — he describes delegating a full home video-analysis project to an agent in 30 min and walking away. DHH, swyx, and engineers across the field confirm the same inflection. Must-read context for any engineering leader thinking about team structure and AI right now.