Yes
It generally became easier over time since Opus 5.5 delivers better results than GPT-5.5 did
user43928 on Hacker News
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In the thread “AI usage generates a fragile codebase”, replying to this comment
Helped: Better results from Opus 5.5 than GPT-5.5.
Got in the way: Unexpected hidden UI feature caused surprise.
… About maintenance cost, no, I do not think so. It generally became easier over time since Opus 5.5 delivers better results than GPT-5.5 did. From a token perspective, a large part of the resources go into translating to 30 languages and checking the screenshots for layout regressions.