Different nodes may need different context, reasoning, modality, latency, or privacy properties. A model router uses task evidence and fallback policy rather than a single default everywhere.

Model Routing Matches Capability, Risk, and Cost

A contextual bandit chooses among routes, observes immediate reward, and balances exploration with exploitation. Safe deployment constrains actions and accounts for selection bias.

Contextual Bandits Learn Routing Under Guardrails

In this situation—using a small classifier and a stronger model for rare complex planning—which choice best applies “Model Routing Matches Capability, Risk, and Cost”?

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