Yes
I've frequently had Claude go off and do things I've explicitly told it not to do, or write too much code that did wrong things
Tallain on Hacker News
In the thread “Reports of code's death are greatly exaggerated”, replying to this comment
Helped: Detailed specs, targeted usage, and Codex's instruction following.
Got in the way: Claude ignoring explicit instructions and writing poor schemas.
… But more importantly, as a coding agent, it follows instructions much better. I've frequently had Claude go off and do things I've explicitly told it not to do, or write too much code that did wrong things, and it's more work to corral it than I want to spend. Codex will follow instructions better. …