Unverified50% confidenceFactExact time
约束解码是一种在LLM推理阶段强制输出符合特定语法或模式的技术,典型实现包括OpenAI的JSON Mode、Outlines库和LMQL
1
Sources
50%
Confidence
Long-term
Relevance
8/24/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedOpenAI的JSON Mode和Structured Outputs从API层约束输出75% similarUnverifiedJSON Mode仅保证输出是合法JSON但不约束字段结构;Structured Outputs通过在解码阶段应用有限状态机(FSM)约束token采样路径,从语法层面强制输出符合预定义JSON Schema73% similarUnverifiedOutlines 支持多选约束、类型约束、正则表达式约束、JSON Schema/Pydantic 模型约束以及上下文无关文法(CFG)约束73% similarPartially Verified结构化输出通过JSON Schema或函数调用机制在解码阶段对token生成施加约束,与在提示词中要求输出JSON格式有本质区别72% similarUnverifiedOutlines库的核心技术是基于正则表达式的Token掩码,将JSON schema转换为正则表达式再预编译为有限状态自动机71% similar
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