Kodezi Chronos is a debugging-first language model that achieves state-of-the-art results on SWE-bench Lite (80.33%) and 67% real-world fix accuracy, over six times better than GPT-4. Built with Adaptive Graph-Guided Retrieval and Persistent Debug Memory. Model available Q1 2026 via Kodezi OS.

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Automatic program repair for Java with generate-and-validate techniques ✌️✌️: jGenProg (2014) - jMutRepair (2016) - jKali (2016) - DeepRepair (2017) - Cardumen (2018) - 3sfix (2018)

Automatic program repair system for Java based on dynamic analysis and code synthesis with SMT. Also contains the code of Dynamoth.

Semantic program repair system for C programs

Automatic repair system for static analysis warnings from SonarQube's SonarJava, TDSC 2022 http://arxiv.org/pdf/2103.12033

A High-performance, High-extensibility and High-portability APR System

For our ISSTA23 paper "How Effective are Neural Networks for Fixing Security Vulnerabilities?" by Yi Wu, Nan Jiang, Hung Viet Pham, Thibaud Lutellier, Jordan Davis, Lin Tan, Petr Babkin, and Sameena Shah.

This is an automated transformation inference tool that leverages a big code corpus to guide the abstraction of transformation patterns.

A dataset of Java bugs for automatic repair, derived from the C bugs of IntroClass

Open-science code of the program repair tool described in "Dynamic Patch Generation for Null Pointer Exceptions Using Metaprogramming" (SANER'17)

A search-based automated program-repair tool for Java with LLM integration.

51 Java regression bugs from 28 open-source projects (extracted from BugSwarm & Bears benchmarks)

Refactoring-Aware Patch Integration Across Structurally Divergent Java Forks

Java implementation of Custom GenProg algorithm for automated program repair using genetic programming

A dataset of Java bugs for automatic repair, derived from the C bugs of IntroClass