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Discussion on: The Three Layers Developers Miss When They “Swap Models” (And Why Proxy‑Routing Claude Code Breaks All of Them)

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GnomeMan4201

This is very informative and easy to follow.

The line “developers don’t need fear… they need clarity” stood out. It feels like a lot of the confusion comes from how these layers are abstracted , especially with proxy routing making models seem interchangeable when they aren’t. The terminology adds to that mystique, but the behavior becomes much clearer once you actually test it across layers