Updated

Which AI model writes the most config and dependency issues?

As of Nov 14, 2026, Claude Sonnet 5.5 had the highest rate of config and dependency issues (1.49, 49% above the all-model rate), statistically tied with Claude Opus 5.5. Claude Fable 5.1 had the lowest (0.74, 26% below average), statistically tied with GPT-6 Astra and GPT-6.1 Sol.

Models ranked by relative rate of config and dependency issues, fewest first. Lower values are better.
RankModelRate
1= (statistically tied)Claude Fable 5.1
0.74
2= (statistically tied)GPT-6 Astra
0.76
3= (statistically tied)GPT-6.1 Sol
0.88
4= (statistically tied)Claude Opus 5.5
1.14
5= (statistically tied)Claude Sonnet 5.5
1.49

1.00 = all-model rate · lower is better · = statistically tied