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HOW-LLMS-WORK4 MIN READ

Sort LLM Failure Sources

Classify common LLM failures by likely root-cause category before choosing a fix.

Sort each LLM failure by the likely source you should inspect first. Missing or stale evidence Ambiguous task design Model capability limit Tool or workflow control Answer cites last year's policy even though the current policy exists Answer invents a customer quote not present in the provided notes Prompt asks for a legal summary and a sales pitch in one output Output mixes CFO detail with frontline support tone Model repeatedly fails exact multi-step invoice calculations Model loses track in a very long symbolic reasoning chain Tool returned a cached renewal date that no one checked High-impact recommendation shipped without…

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