When should I use the Constrained Generation prompt pattern?

You ship to a small or open model and need strict format guarantees.

Does Constrained Generation work across models?

Yes when the anatomy is preserved — see model compatibility matrix on the pattern page.

ModelRefs / Constrained Generation — Prompt Pattern

Constrained Generation — Prompt Pattern

Restrict the output space with grammars or regex during decoding.

What this reference supports

Constrained Generation — Prompt Pattern: This profile is a decision-support reference. It brings together practical fit, implementation context, related entities, evidence, and limitations without presenting a single universal recommendation.

Constrained Generation — Prompt Pattern: Use the profile to form a shortlist and identify evaluation questions. Confirm availability and operational constraints with current primary documentation, then test the candidate on representative inputs, failure cases, and governance requirements.

Constrained Generation — Prompt Pattern: Any fit language is provisional. Missing evidence remains a coverage gap, benchmark results only describe their stated protocol, and no profile score or relationship guarantees real-world performance.

Continue your research

Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Constrained Generation — Prompt Pattern.