Anthropic's 2026 Agentic Coding Trends Report puts a number on something most engineering leads have already felt. Developers now use AI in roughly 60% of their work, but report being able to fully delegate only up to 20% of tasks. That gap isn't a maturity curve waiting to close on its own. It's a structural line between "AI touched this" and "AI can be trusted alone with this." The report calls it the collaboration paradox. I'd call it the delegation gap, because the interesting question isn't that the gap exists. It's what decides which side of it a task lands on.
Source: Anthropic, 2026 Agentic Coding Trends Report (PDF).