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English(EN) Structured Output Fixed My JSON and Cut Math Accuracy by 18 Points

约束解码使 LLM 数学准确性降低 18%,同时修复了 JSON 输出

一项针对 Qwen2.5-7B 模型的受控实验表明,使用约束解码强制执行 JSON 模式合规性会显著降低数学准确性。虽然 Outlines 和 XGrammar 等工具成功地将 JSON 合规性从 0% 提高到 100%,但它们也导致数学准确性下降了 18.4 个百分点,从 79.6% 降至 61.2%。这表明强制输出结构的过程可能会干扰模型的推理能力,表明语法和语义正确性并非总是独立的。 AI

影响 强制执行像 JSON 这样的严格输出格式可能会对 LLM 在复杂任务上的推理和准确性产生负面影响。

排序理由 关于 LLM 输出格式和准确性的受控实验。[lever_c_demoted from research: ic=1 ai=1.0]

在 dev.to — LLM tag 阅读 →

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约束解码使 LLM 数学准确性降低 18%,同时修复了 JSON 输出

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关于 LLM 输出格式和准确性的受控实验。[lever_c_demoted from research: ic=1 ai=1.0]
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  1. dev.to — LLM tag TIER_1 English(EN) · Vaibhav Mittal ·

    结构化输出修复了我的JSON,并将数学准确性降低了18个百分点

    <p>I expected constrained decoding to change formatting.</p> <p>I did not expect it to change which math problems the model could solve.</p> <p>In a controlled Qwen2.5-7B experiment, both Outlines and XGrammar raised JSON Schema compliance from 0% to 100%. At the same time, recov…