Which AI model writes the most bugs in Vue?

As of Nov 14, 2026, Claude Opus 5.5 had the highest relative bug rate in Vue code (1.41, 41% more counted bugs than the Vue average), statistically tied with GPT-6 Astra.

Updated Nov 14, 2026

Best AI model for Vue code

As of Nov 14, 2026, Claude Fable 5.1 had the lowest relative bug rate in Vue code (0.40, 60% fewer counted bugs than the Vue average), statistically tied with GPT-6 Astra, among 3 ranked models.

Models ranked by relative bug rate in Vue code. Lower values are better.
Rank	Model	Rate
1= (statistically tied)	Claude Fable 5.1	0.40
2= (statistically tied)	GPT-6 Astra	0.71
3= (statistically tied)	Claude Opus 5.5	1.41

1.00 = Vue average · lower is better · = statistically tied

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Questions and answers

Which AI model writes the most bugs in Vue?: As of Nov 14, 2026, Claude Opus 5.5 had the highest relative bug rate in Vue code (1.41, 41% more counted bugs than the Vue average), statistically tied with GPT-6 Astra.