Why Does Structured Output Fail? An Empirical Study of Prompt-Enforced Pydantic Schemas Across Nine LLMs

arXiv:2610.33949 · cs.SE, cs.CL, cs.LG · Submitted 2026-10-24 · Read on arXiv

cs.SE, cs.CL, cs.LG

Submitted: 2026-10-24

Updated: 2026-10-24

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