Verified65% confidenceFactExact time
Constrained decoding restricts the model, via a predefined JSON Schema, so that each generated token can only be selected from the set of valid tokens.
3
Sources
65%
Confidence
Long-term
Relevance
7/15/2026
First Seen
Sources
Related Claims
VerifiedJSON Mode only guarantees that the output is valid JSON without constraining the field structure; Structured Outputs enforces output conforming to a predefined JSON Schema at the syntactic level by applying a finite state machine (FSM) to constrain the token sampling path during the decoding phase.77% similarUnverifiedDevelopers can use system prompts or JSON Schema to force the model to return only enumerated values from predefined fields, disallowing free-text output containing value judgments.76% similarUnverifiedStructured output constrains format via JSON Schema, which can eliminate randomness at the format level and confine uncertainty to the scope of semantic content.74% similarUnverifiedJSON Schema constrains the shape of JSON data through keywords such as type, properties, required, enum, and minimum, but in tool-calling scenarios it cannot express policy constraints such as "whether a path is allowed to be written to", which must be left to the permission and approval layer.73% similarUnverifiedNever put credentials in the exported workflow JSON; instead configure them through the n8n credential system and grant only the minimum permissions.73% similar
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