> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ExtractionsUsage

## Fields

| Field | Type | Required | Description |
| - | - | - | - |
| `Cost` | `*float64` | ➖ | N/A |
| `ImageTokens` | `*int64` | ➖ | N/A |
| `InputTokens` | `int64` | ✔️ | N/A |
| `OutputTokens` | `int64` | ✔️ | N/A |
| `Passes` | `*int64` | ➖ | Number of upstream passes when the fields did not fit in one. |
| `SchemaTokens` | `*int64` | ➖ | N/A |
| `StateTokens` | `*int64` | ➖ | N/A |