# Pricing and search units
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Reranking is priced per query. A query is a single call to the reranker model that can contain up to 100 document chunks. The `SearchUnits` metric in Amazon CloudWatch represents the number of queries processed by the reranker model.

For current pricing details, see the [Amazon Bedrock pricing page](https://aws.amazon.com/bedrock/pricing/).