Amazon published a memo for its software engineers and engineering managers, initially circulated internally in September, to guide the use of artificial intelligence in daily work. The company recommends selecting AI tools selectively and assessing their value based on long-term outcomes rather than the number of tokens consumed. It has therefore discontinued the internal KiroRank leaderboard, which rewarded token consumption, and clarifies that this metric is used only for cost management, not employee performance evaluation. This approach, previously outlined by Senior Vice President Dave Treadwell in May 2026, positions AI as an amplifier of human judgment rather than a replacement for engineers.
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