AI5 min read
AI-Generated C++ Code Quality in Production
AI-written C++ runs 5-8% hotter and reviews longer. The fix is in the prompts
A 12-month study of 3.52 million code changes to an enterprise C++ codebase finds AI code is measurably worse on coupling, allocations, and loop style, costing 5-8% more compute. Prompt-level feedback recovered 11.1% of static analysis warnings.
2026-08-19