Overview
- The company posted the memo publicly after circulating it internally, and the guidance tells engineers to stop inflating AI token use to appear productive and to focus on real delivery.
- Amazon calls metrics such as token consumption, AI‑tool adoption, and lines of code 'deeply flawed' when turned into targets because they can raise costs and create perverse incentives.
- The memo promotes a 'Renaissance Developer' who pairs AI tools with human judgment and asks leaders to use AI hands‑on, document where it helps or does not help, and explain that judgment to their teams.
- Amazon says it has not imposed blanket caps on employee token use but will keep tracking usage for cost management and will investigate outlier teams to ensure high token use maps to genuine delivery gains.
- The update follows internal experiments earlier in 2026, including a May leaderboard that was shut down after employees gamed token metrics, and signals that best practices for AI in engineering are still evolving.