Structured output
Model output constrained to a declared shape such as JSON Schema.
What Structured output does not show
Structural validity says nothing about whether the field values are true or complete.
Terms this definition uses
Related terms in Models and generation
How a model produces text, what its training and decoding controls change, and what none of them can prove about a source.
Autoregressive model · Transformer · Attention · Self-attention · Parameter · Inference · Pretraining · Fine-tuning · Supervised fine-tuning · Instruction tuning · RLHF · Preference optimization · Knowledge distillation · Quantization · Mixture of experts · Multimodal model · Vision-language model · Small language model · Tokenizer · Temperature · Top-p sampling · Deterministic decoding · System prompt · Developer message · Tool call · Function calling · Constrained decoding · Chain of thought · Reasoning trace · Context caching · Context compaction · Model routing · Model drift · Model version
Questions about Structured output
What is Structured output?
Model output constrained to a declared shape such as JSON Schema.
What does Structured output not show or guarantee?
Structural validity says nothing about whether the field values are true or complete.
Which area of the glossary does Structured output belong to?
Models and generation: How a model produces text, what its training and decoding controls change, and what none of them can prove about a source.
← Function calling · Constrained decoding →
See it in the full glossary · 772 terms across 19 areas.
Free browser extension
See this on any site you visit, in one click.
CrawlCheck for Chrome grades every site you visit A–F and shows, from your own browser, what search engines and AI assistants are actually served. Free, no account.