> ## 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.

# GetSessionCostRequest

## Fields

| Field       | Type                                                            | Required             | Description                                                  | Example                   |
| ----------- | --------------------------------------------------------------- | -------------------- | ------------------------------------------------------------ | ------------------------- |
| `AppSlug`   | `*string`                                                       | :heavy\_minus\_sign: | Filter to one published harness slug.                        | hermes-agent              |
| `Model`     | `*string`                                                       | :heavy\_minus\_sign: | Exact model permaslug filter. Works across all harness apps. | anthropic/claude-4.8-opus |
| `TurnRange` | [\*operations.TurnRange](../../models/operations/turnrange.mdx) | :heavy\_minus\_sign: | Filter by the inclusive number of turns in a session.        | 10-49-turns               |
| `Limit`     | `*int64`                                                        | :heavy\_minus\_sign: | Maximum number of cells to return (1-500). Defaults to 100.  | 100                       |
| `Offset`    | optionalnullable.OptionalNullable\[`int64`]                     | :heavy\_minus\_sign: | Number of sorted cells to skip (0-5000). Defaults to 0.      | 0                         |