“Developers thought they were 20% faster with Al tools, but they were actually 19% slower when they had access to Al than when they didn’t.”

This is just the tip of the iceberg. I am convinced that we can make a tool that makes developers feel like they're going 50% faster while actually going 50% slower. The sky's the limit.

https://metr.org/blog/2025-07-10-early-2025-ai-experienced-os-dev-study/