Updated
Which AI model writes the most style and convention issues?
As of Nov 14, 2026, no ranked model had a clearly higher rate of style and convention issues than the others: the highest and lowest rates are statistically tied.
| Rank | Model | Rate |
|---|---|---|
| 1= (statistically tied) | Claude Opus 5.5 | 0.90 |
| 2= (statistically tied) | GPT-6 Astra | 1.31 |
| 3= (statistically tied) | GPT-6.1 Sol | 1.46 |
1.00 = all-model rate · lower is better · = statistically tied