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Composed models have the same billing structure as individual custom models. The cost is determined by the number of pages analyzed by the downstream analysis model. You will incur charges for both the classification of all pages in the input file and the extraction of pages routed to an extraction model.
To avoid running extraction on documents classified as "other," you can set a confidence threshold. By setting this threshold to 1, you ensure that documents classified as "other" do not trigger extraction, thereby avoiding extraction charges. However, you will still be charged for the initial classification, but not for the extraction if the confidence threshold prevents it from being processed. Azure pricing
Kindly refer below documentation: composed-models
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