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How to Cut Your LLM Classification Costs by 90% thumbnail

Hamel Husain

How to Cut Your LLM Classification Costs by 90%

This session details the Model Cascade architecture, a technique to drastically reduce LLM classification costs (by over 90%) while maintaining high accuracy (e.g., 95%+). Instead of running an expensive 'Oracle' model on every record, the cascade uses a cheap proxy model for initial predictions and only escalates to the Oracle when the proxy's confidence score is low. The optimal decision threshold ($\tau$) is found offline by simulating performance across samples.

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