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Why Your AI Agent Passed Every Test but Still Failed in Production — Lessons from the 2026 Agent Reliability Crisis

This story is from 2026-09-01. It is preserved in the archive; the latest stories are on the live feed.

Originally published on tamiz.pro . In early 2026, the AI engineering community watched a cascade of high-profile agent failures rock production systems across fintech, healthcare, and e-commerce. These weren't edge-case anomalies — they were systemic. Agents that had scored 97%+ on internal benchm…

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  1. 2026-09-01 00:00 · DEV Community — AI
    Why Your AI Agent Passed Every Test but Still Failed in Production — Lessons from the 2026 Agent Reliability Crisis

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