Developers Felt 20% Faster With AI, but Were 19% Slower

A Towards Data Science piece examines a study in which developers perceived AI as making them about 20% faster, while their actual speed was 19% lower. The gap between perceived and measured productivity is framed as the main concern.

• Developers perceived roughly 20% faster work with AI
• Actual speed was 19% lower than without it
• The key issue is the gap between perception and measured output