A 2026 METR randomized trial found AI coding assistants made experienced developers 19% slower at real tasks, yet those developers believed they were 20% faster. Actual savings depend on team engineering foundations, governance, and model routing, not just tool subscriptions. Uncontrolled agentic workloads and weak review processes can erase any perceived productivity gains.
Tag: ROI
2 posts tagged with "ROI"
The gap between developers' perceived AI coding speed gains and actual measured productivity is the largest blind spot in engineering AI budgeting. Most ROI calculations rely on misleading sticker prices and self-reported metrics, ignoring usage-based costs and system-level outcomes like longer code review times and higher production incident rates.