Unverified50% confidenceFactExact time
Outlines constructs a Finite State Machine (FSM) that dynamically masks tokens at each generation step that would render the format invalid, allowing the model to sample only from the subset of legal tokens.
1
Sources
50%
Confidence
Long-term
Relevance
7/22/2026
First Seen
Sources
Related Claims
UnverifiedOutlines pre-compiles constraints into an FSM before inference and performs an offline mapping between the tokenizer vocabulary and each state of the FSM; during inference, hard constraints are enforced by setting the logits of illegal tokens to negative infinity (logits masking).74% similarUnverifiedGBNF 通过在每个 Token 生成步骤对 logits 进行掩码过滤，强制模型只能生成符合预定义语法规则的 Token 序列64% similarUnverified结构化输出通过约束解码（Constrained Decoding）在token采样阶段屏蔽非法输出，使LLM格式输出从概率保证变为确定性保证62% similarUnverifiedOutlines pre-compiles constraints into an FSM before inference, and offline-maps the tokenizer's complete vocabulary to each FSM state to generate an index table of valid token sets per state.61% similarUnverified约束解码的底层实现依赖有限状态机（FSM）或上下文无关文法（CFG）60% similar
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