路由Routing
Routing
解决什么问题What problem it solves
简单问题派给便宜快的模型，难问题派给强模型。Send easy questions to a cheap fast model and hard ones to a strong model.
这是什么What it is
按任务复杂度自动选择模型的机制。
Mechanism that picks a model automatically based on task complexity.
为什么需要知道Why it matters
这是同时控制成本与质量最有效的手段，也是当前产品设计的主流做法。The most effective way to control cost and quality together, and standard practice in current product design.