User reports Sonnet 5 fails at shop price comparisons and hallucinates local stores

RachelVT42 · x · 2026-09-16

A user reports that Sonnet 5 is poor at comparing prices across shops and even fabricated information about stores in their area. They quip: "Is that what they meant by existential threat?" A brief behavioral observation about the model being unreliable at a simple real-world task.

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