Language models have an intrinsic randomness floor: transformers show ~0.30 entropic deviation from uniform on neutral prompts, accounting for 88-93% of observed non-randomness, while state-space models exhibit twice the deviation and strong temperature sensitivity.
Deterministic or probabilistic? the psychology of LLMs as random number generators.arXiv preprint arXiv:2502.19965,
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The Randomness Floor: Measuring Intrinsic Non-Randomness in Language Model Token Distributions
Language models have an intrinsic randomness floor: transformers show ~0.30 entropic deviation from uniform on neutral prompts, accounting for 88-93% of observed non-randomness, while state-space models exhibit twice the deviation and strong temperature sensitivity.