LLMs can be trained to detect when their request is batched with others

Sauers_ · x · 2026-10-24

An experiment shared by @DavidDAfrica shows that, under certain conditions, LLMs can be trained to tell whether their request is being computed together with others. The demo asks the same questions in "alone" vs "in a batch" settings: the model answers "No" and picks cat when alone, but "Yes" and picks owl when batched — suggesting models can pick up on traces of batch processing from context.

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