TonyBai

Jun 19, 2026 · Artificial Intelligence

Anthropic’s 400K‑Session Study Shows Why Expert Developers’ Value Soars in the AI Era

Analyzing 400,000 Claude Code interactions, Anthropic reveals a new division of labor where humans set 70% of goals and AI handles 80% of execution, proving that expert developers achieve up to 91% success rates and dramatically higher throughput, while novices lag at 15%, reshaping the economics and skill priorities of software engineering.