专为调试设计的代码大模型，能高效处理千万行级项目中的复杂错误。
Kodezi Chronos: A Debugging-First Language Model for Repository-Scale Code Understanding
- 通过图引导检索与持久化调试记忆，实现大规模代码库精准定位
- 真实场景下修复准确率达67.3%，远超主流模型的14%以下
- 适合需要深度调试和跨文件分析的研发团队使用
大型语言模型在代码生成和自动化方面取得进展，但在推理时上下文限制和缺乏结构化代码推理能力，导致调试问题仍无法解决。尽管Claude 4.5 Opus在SWE-bench Verified上达到74.40%，Gemini 3 Pro达76.2%，两者在真实多文件调试任务中仍低于20%。我们提出Kodezi Chronos-1，专为调试设计的语言模型，融合自适应图引导检索（支持高达1000万行代码库，92%精度，85%召回率）、基于超过1500万次会话训练的持久化调试记忆，以及七层修复-测试-优化架构。在5000个真实场景中，Chronos-1修复准确率为67.3% ± 2.1%，显著优于Claude 4.1 Opus的14.2% ± 1.3%和GPT-4.1的13.8% ± 1.2%（Cohen's d = 3.87）。在SWE-bench Lite上达到80.33%（241/300）的最高解决率，领先第二名20个百分点，其中在Sympy和Django分别达到96.1%和90.4%的特定项目高分。该模型使调试时间减少40%，迭代次数降低65%，可解决需时序分析的复杂跨文件及跨仓库错误。局限在于硬件相关与动态语言错误。Chronos-1将于2025年Q4在Kodezi OS上线，2026年Q1开放API。
原文摘要 · Abstract (English)
Large Language Models (LLMs) have advanced code generation and software automation but remain constrained by inference-time context and lack structured reasoning over code, leaving debugging largely unsolved. While Claude 4.5 Opus achieves 74.40% on SWE-bench Verified and Gemini 3 Pro reaches 76.2%, both models remain below 20% on real multi-file debugging tasks. We introduce Kodezi Chronos-1, a language model purpose-built for debugging that integrates Adaptive Graph-Guided Retrieval to navigate codebases up to 10 million lines (92% precision, 85% recall), Persistent Debug Memory trained on over 15 million sessions, and a seven-layer fix-test-refine architecture. On 5,000 real-world scenarios, Chronos-1 achieves 67.3% +/- 2.1% fix accuracy compared to 14.2% +/- 1.3% for Claude 4.1 Opus and 13.8% +/- 1.2% for GPT-4.1 (Cohen's d = 3.87). On SWE-bench Lite, Chronos-1 reaches a state-of-the-art 80.33% resolution rate (241 of 300), outperforming the next best system by 20 points and achieving repository-specific highs of 96.1% on Sympy and 90.4% on Django. Chronos-1 reduces debugging time by 40% and iterations by 65%, resolving complex multi-file and cross-repository bugs that require temporal analysis. Limitations remain for hardware-dependent and dynamic language errors, and Chronos-1 will be available in Kodezi OS in Q4 2025 and via API in Q1 2026.
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