You are halfway through a coding project. Your AI coding agent has been working with you for hours, maybe days. It knows why the code looks the way it does. It knows what you tried yesterday, what failed, which ugly workaround is intentional, and what you were planning to do next. Then you hit the usage limit. You still have another agent available. Maybe it runs through OpenRouter. Maybe it is local. Maybe you have credits somewhere else. Maybe you simply want to switch models. ...