#routing

8B models handle classification well. 70B models handle summarization. Code-specialized models beat generalists at code. Match the model to the task.

Try the small model first. If it fails or isn't confident, try the large one. Cascade routing gets 80% savings on 80% of requests.

Send classification to Haiku, reasoning to Opus. Routing requests to the right model saves money without sacrificing quality.

The same model costs different amounts on different providers. Smart routing between them can cut your bill by 30%.