Model routing is more than a classification problem: it is a systems-optimization problem
Model Routing Is Simple. Until It Isn’t.
What happened
Across 417 tasks in the AppWorld Test Challenge with the same CodeAct agent, Claude Sonnet 4.6 cost $79 in total ($0.19 per task), while GPT-4.1 cost $155 ($0.37 per task). Cache-hit rate was the main factor.
Hugging FaceAgentsReasoningDeployment engineeringTutorials#Tutorials and practice#Agent#Deployment and engineering#Reasoning#Hugging Face
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