Unverified50% confidenceFactExact time
JSON Schema is a language-agnostic declarative contract that can force token sampling onto legal grammar paths on the model side via constrained decoding; Pydantic and Zod are runtime validation libraries that provide a second check after the model returns.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
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Related Claims
Unverified受限解码可将JSON schema转换为上下文无关文法（CFG），再编译为有限状态自动机实现逐Token合法性检查76% similarUnverifiedZod is a schema declaration and runtime validation library for TypeScript, and can be used to validate the JSON structure of language model outputs.76% similarVerifiedJSON 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.76% similarVerifiedJSON Schema is a specification for describing and validating JSON data structures, capable of defining field requirements, data types, and value ranges.74% similarUnverifiedThe generated JSON is validated through a Code node to ensure that problematic workflows do not pass.73% similar
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