# 02 - Quality Metrics per AI-Generated Code - Complexity, Coverage, Maintainability

Code complexity (cyclomatic, cognitive), test coverage, maintainability index, duplication detection, technical debt scoring, tool comparison (SonarQube, CodeFactor).

## What you'll learn

- Cognitive Complexity: Beyond Numbers
- Coverage Strategies for AI Code
- Cyclomatic Complexity: Measuring Execution Paths
- Code Coverage: Beyond the Percentage
- Maintainability Index

*This article is part of the **Quality Engineering** series on federicocalo.dev.*

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## Read the full article

The complete article (13 min read) with code examples, diagrams, and practical exercises is available here:

**➡️ [02 - Quality Metrics per AI-Generated Code - Complexity, Coverage, Maintainability](https://federicocalo.dev/en/blog/quality-metrics-ai-code-complexity-coverage)**

`https://federicocalo.dev/en/blog/quality-metrics-ai-code-complexity-coverage`

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*By [Federico Calò](https://federicocalo.dev) — Software Developer & Technical Writer*