Yes! Pre-classifying routers are going to result in a lot of bad work because routing is hard and tend to underestimate the value of intelli…

Yes! Pre-classifying routers are going to result in a lot of bad work because routing is hard and tend to underestimate the value of intelligence on many problems. OpenAI learned this with GPT-5, now it seems routers are hot again. I have this struggle with my own teams, too: many think it is a great idea to save money/latency/sanity by running a pre-classifier: "This task is simple, use a dumber model". Except in order to do that reliably you need to solve the task first! The only way is the advisory model…

Source: Ethan Mollick (X) | 2026-07-01