arxiv
PublishedOctober 28, 2026 at 4:00 AM
Why Does Structured Output Fail? An Empirical Study of Prompt-Enforced Pydantic Schemas Across Nine LLMs
Publisher summary· verbatim
arXiv:2610.33949v1 Announce Type: cross Abstract: Pipelines that require structured outputs from hosted language models often specify a Pydantic schema in the prompt, validate the response, and retry when validation fails. Although native structured-output modes provide an alternative, application-s
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