METR Study: AI Tools Made Devs 19% Slower While They Felt 20% Faster

A METR randomized controlled trial found that experienced open-source developers using Cursor and Claude finished tasks 19% slower, yet believed AI had made them 20% faster, highlighting a stark gap between perception and reality.

2026-10-30 ~ 2026-10-31 · 2 related posts

• METR trial: AI made experienced devs 19% slower while they felt 20% faster — srimisra · 2026-10-30

1 near-duplicate retellings: AlexTensor