Routing each request to the right model is one of the biggest LLM cost/latency levers in production. The signal is matching query difficulty to model capability and knowing when the cascade pattern beats a classifier.
Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.
Routing each request to the right model is one of the biggest LLM cost/latency levers in production. The signal is matching query difficulty to model capability and knowing when the cascade pattern beats a classifier.
No comments yet — be the first to share your approach.
