Updated
Which AI model writes the most config and dependency issues?
As of Sep 27, 2026, Claude Sonnet 5 had the highest rate of config and dependency issues, 305% above the all-model rate (4.05). GPT-5.5 had the lowest, 67% below average (0.33), statistically tied with Claude Fable 5 and GPT-6 Astra.
| Rank | Model | Rate |
|---|---|---|
| 1= (statistically tied) | GPT-5.5 | 0.33 |
| 2= (statistically tied) | Claude Fable 5 | 0.52 |
| 3= (statistically tied) | GPT-5.6 Sol | 0.60 |
| 4= (statistically tied) | GPT-6 Astra | 0.65 |
| 5= (statistically tied) | Claude Fable 5.1 | 0.85 |
| 6= (statistically tied) | Claude Opus 4.8 | 1.01 |
| 7 | Claude Opus 5 | 1.75 |
| 8 | Claude Sonnet 5 | 4.05 |
1.00 = all-model rate · lower is better · = statistically tied