Hailey on Nostr: “When developers are allowed to use AI tools, they take 19% longer to complete ...

“When developers are allowed to use AI tools, they take 19% longer to complete issues—a significant slowdown that goes against developer beliefs and expert forecasts. This gap between perception and reality is striking: developers expected AI to speed them up by 24%, and even after experiencing the slowdown, they still believed AI had sped them up by 20%.” https://metr.org/blog/2025-07-10-early-2025-ai-experienced-os-dev-study/