Yes
For me it's only been in the last month with Opus 5.5 that I've been seeing code quality I actually respect
comex on Hacker News
In the thread “Libreboot 26.10 "Ominous Olive" released with UEFI, Chromebook support”, replying to this comment
Helped: Substantial human effort in the loop.
… Yet the results speak for themselves. For me it's only been in the last month with Opus 5.5 that I've been seeing code quality I actually respect (though this is with substantial human effort in the loop). Though this experience is from work where I don't have access to non-Anthropic models, nor Fable.