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Evaluating AI Agents: Why 95% Per-Step Accuracy Is a Failing Grade (Part 1 of 2)

This story is from 2026-08-30. It is preserved in the archive; the latest stories are on the live feed.

Why agent evaluation breaks the tools built for prompts, and how to measure outcomes instead of vibes. Key Takeaways Reliability compounds against you: An agent that gets each step right 95% of the time completes a 20-step task 36% of the time. Per-step accuracy is not the number you ship on. Grade…

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  1. 2026-08-30 07:29 · DEV Community — AI
    Evaluating AI Agents: Why 95% Per-Step Accuracy Is a Failing Grade (Part 1 of 2)

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