When it comes to unit testing in a Nuxt3-based application, @nuxt/test-utils stands out as it offers first-class support specifically tailored for NuxtJS apps.
The comparison shows that @nuxt/test-utils is a solid choice as it takes Nuxt 3's specific features and orchestration into account.
However, there is no one-size-fits-all solution, and depending on the complexity of your application, you might need to mix and match libraries for unit testing.