Updated
Which AI model writes the most style and convention issues?
As of Sep 27, 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 4.8 | 0.92 |
| 2= (statistically tied) | Claude Opus 5 | 1.27 |
1.00 = all-model rate · lower is better · = statistically tied