---
title: "CreateRerankUsage"
---

Usage statistics


## Fields

| Field                                            | Type                                             | Required                                         | Description                                      | Example                                          |
| ------------------------------------------------ | ------------------------------------------------ | ------------------------------------------------ | ------------------------------------------------ | ------------------------------------------------ |
| `cost`                                           | *Optional[float]*                                | :heavy_minus_sign:                               | Cost of the request in credits                   | 0.001                                            |
| `search_units`                                   | *Optional[int]*                                  | :heavy_minus_sign:                               | Number of search units consumed (Cohere billing) | 1                                                |
| `total_tokens`                                   | *Optional[int]*                                  | :heavy_minus_sign:                               | Total number of tokens used                      | 150                                              |