Hard constraints
Explicit boundaries the model must not violate.
When to use
When drift, hallucination, or tone risk is high.
How to apply
List 3–7 non-negotiables as bullets.
Prefer 'do not invent facts' over vague quality words.
Glossary
- hard constraints
- Non-negotiable rules the model must not break (facts, tone, scope, format).
- hallucination
- When a model invents plausible-sounding facts, citations, or details that aren’t grounded.
- drift
- When the answer slowly leaves the requested scope, tone, or format.
Sources