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The Silent Killer of AI Agents: Why Your Evaluation Metrics Are Lying to You

This story is from 2026-09-25. It is preserved in the archive; the latest stories are on the live feed.

Originally published on tamiz.pro . The Metric Mirage You’ve shipped your AI agent. It aces the benchmark, clears every test case, and your dashboard glows green. Three weeks later, a user reports it’s making catastrophically wrong decisions in production — decisions no metric ever hinted at. This…

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  1. 2026-09-25 00:01 · DEV Community — AI
    The Silent Killer of AI Agents: Why Your Evaluation Metrics Are Lying to You

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