Core Architecture

Overview of the internal architecture of Chronos and how its core systems work together.

Chronos is built around a modular architecture designed specifically for debugging and repository-scale reasoning. Each subsystem plays a dedicated role, from ingesting logs and code to generating validated fixes.

Below is a high-level overview of the core architectural components.

Architecture Overview

Multi-Source Input Layer

Processes structured and unstructured debugging signals including:

source code
logs
stack traces
tests
documentation
commit history

This allows Chronos to operate with real-world engineering context.

Adaptive Retrieval Engine

A graph-based system that collects only the necessary repository context.

It understands:

dependencies
call hierarchies
code evolution
related test files

Debug-Oriented LLM Core

A transformer model trained specifically on debugging tasks, enabling:

root-cause reasoning
multi-file patch generation
test failure interpretation

Execution Sandbox + Persistent Memory

Chronos validates patches through a runtime sandbox and learns from each debugging session using Persistent Debug Memory.

These components ensure accuracy and continuous improvement.

Why This Architecture Matters

The architecture is optimized for debugging workflows:

retrieves only relevant code instead of loading entire repositories
understands relationships between files, changes, logs, and tests
produces fixes validated by real test execution
learns from past bugs to improve future accuracy

Purpose-Built for Debugging

Chronos-1 is not adapted from a general LLM, it is engineered from the ground up to diagnose, explain, and repair real software issues.