TL;DR Anthropic recently published When AI Builds Itself , an essay explaining how AI is increasingly helping build the next generation of AI. Today, more than 80% of Anthropic's production code is written by Claude, and engineers are shipping around eight times more code than they were in 2024. I went into the essay carrying the same quiet anxiety I think many developers have right now. I came out feeling less scared. Not because the numbers are small. They aren't. It's because af...