Large Language Model probabilities cannot reliably distinguish between possible and impossible language

arXiv:2509.15114 · cs.CL · Submitted 2025-09-18 · Read on arXiv

cs.CL

Submitted: 2025-09-18

Updated: 2026-10-26

Terminology

• Benchmark — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

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