UCCI calibrates LLM uncertainty to error probabilities with isotonic regression for cost-optimal cascade routing, delivering 31% cost savings at maintained accuracy on a 75k-query NER task.
How can we know when language models know? on the calibration of language models for question answering
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UCCI: Calibrated Uncertainty for Cost-Optimal LLM Cascade Routing
UCCI calibrates LLM uncertainty to error probabilities with isotonic regression for cost-optimal cascade routing, delivering 31% cost savings at maintained accuracy on a 75k-query NER task.