LLM queries fail silently: run one 100 times and you won't know which result is wrong

gerardsans · x · 2026-10-15

Replying to a discussion on unreliable AI outputs, gerardsans argues the core risk of LLMs is silent failure: run the same query a hundred times and some results are right, some partial, the rest wrong or made up — and you never know which group you landed in.

He notes software is an exception, with tooling that helps catch such errors; most industries lack any way to flag when things are slightly or completely off, so human verification remains essential.

Related event: The hidden bet of using AI: silent failures you never detect(2 posts)→

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