> ## 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.

# BatchListItemPromptTokensDetails

Breakdown of tokens used in the prompt.

## Example Usage

```typescript theme={null}
import { BatchListItemPromptTokensDetails } from "@openrouter/sdk/models";

let value: BatchListItemPromptTokensDetails = {};
```

## Fields

| Field | Type | Required | Description |
| - | - | - | - |
| `audioTokens` | *number* | ➖ | Tokens used for input audio. |
| `cacheWriteTokens` | *number* | ➖ | Tokens written to cache. Only returned for models with explicit caching and cache write pricing. |
| `cachedTokens` | *number* | ➖ | Tokens cached by the endpoint. |
| `fileTokens` | *number* | ➖ | Tokens used for input files/documents. |
| `videoTokens` | *number* | ➖ | Tokens used for input video. |