# Usage
## Properties
Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**input** | Option<**i32**> | Number of input units (e.g. tokens) | [optional]
**output** | Option<**i32**> | Number of output units (e.g. tokens) | [optional]
**total** | Option<**i32**> | Defaults to input+output if not set | [optional]
**unit** | Option<[**models::ModelUsageUnit**](ModelUsageUnit.md)> | | [optional]
**input_cost** | Option<**f64**> | USD input cost | [optional]
**output_cost** | Option<**f64**> | USD output cost | [optional]
**total_cost** | Option<**f64**> | USD total cost, defaults to input+output | [optional]
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