Unverified50% confidenceOpinionExact time
A routine task that fails silently is more dangerous than not running at all, because users mistakenly believe it has completed.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
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Related Claims
UnverifiedThe most dangerous failure mode of LLM-driven agents is often not a crash or error, but confidently declaring a task complete when nothing has actually happened (hallucinatory completion).77% similarUnverifiedFind silent failures by evaluation rather than by dashboards: inspecting outputs is necessary but far from sufficient; what really catches the problem is asserting on the shape of the run itself, and that can only be done where you already know beforehand what the run should look like.73% similarUnverifiedIf execution success rate is high but task success rate is low, the problem lies in reasoning, planning, or understanding of user intent, rather than the stability of the tool chain.73% similarUnverifiedThe Silent Failure Hunter sub-agent specifically captures code that silently swallows exceptions without reporting errors.72% similarUnverifiedIn automated systems, a process exiting normally (completion) is not equivalent to a task achieving its goal (outcome)—that is, completion is not an outcome.72% similar
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