Ask HN: If you've used GPT-4-Turbo and Claude Opus, which do you prefer? | Hacker News
This works particularly well when you copy the relevant excerpt from a project, dump it in, and say "Change X to Y, showing only the key modifications and where to put them". Typically it understands the aim and accomplishes the task in the way you intended, and it knows how to be concise yet precise.
https://news.ycombinator.com/item?id=39735108