Yes
With the examples, I've found Opus generally does a good job following existing idioms, while Sonnet struggles
SatvikBeri on Hacker News
In the thread “6 weeks of Claude Code”, replying to this comment
Helped: Tutorial files with standard examples and idioms.
Got in the way: Sonnet struggled to follow existing idioms.
… Turns out humans found these useful too. With the examples, I've found Opus generally does a good job following existing idioms, while Sonnet struggles.