Usage statistics related to the run. This value will be null if the run is not in a terminal state (i.e. in_progress, queued, etc.).
| Name | Type | Description | Notes |
|---|---|---|---|
| completionTokens | Integer | Number of completion tokens used over the course of the run. | |
| promptTokens | Integer | Number of prompt tokens used over the course of the run. | |
| totalTokens | Integer | Total number of tokens used (prompt + completion). |