Sonar LLM Leaderboard - Java - Code Smell Density: leaderboard
Metric: Code smells per 1,000 lines of code (lower is better). Source: www.sonarsource.com. 73 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 4.5 (High) | 13.87 |
| 2 | GLM-5 | 14.24 |
| 3 | Claude Sonnet 5 (Thinking) | 14.32 |
| 4 | Kimi K2.5 (Thinking) | 14.52 |
| 5 | GLM-4.7 | 15.18 |
| 6 | Kimi K2.6 | 15.27 |
| 7 | Mistral Large 3 | 15.33 |
| 8 | MiniMax-M2.7 | 15.39 |
| 9 | MiniMax-M2.5 | 15.5 |
| 10 | MiniMax-M3 | 16.01 |
| 11 | Claude Opus 4.6 (High) | 16.42 |
| 12 | Claude Opus 4.8 (High) | 16.75 |
| 13 | Claude Sonnet 4.5 (High) | 16.89 |
| 14 | DeepSeek R1 | 16.97 |
| 15 | GPT-5.5 (Medium) | 17.04 |
Interactive version: theaggregate.ai/benchmark?slug=sonar-llm-leaderboard-java-code-smell-density · How It Works · Data refreshed daily, snapshot 2026-09-19.