# CompletionUsage ## Fields | Field | Type | Required | Description | | ------------------- | ------------------- | ------------------- | ------------------- | | `prompt_tokens` | *float* | :heavy_check_mark: | N/A | | `completion_tokens` | *float* | :heavy_check_mark: | N/A | | `total_tokens` | *float* | :heavy_check_mark: | N/A |