> ## 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.

# RouterParams

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `quality_floor` | *Optional\[float]* | :heavy\_minus\_sign: | N/A | |
| `throughput_floor` | *Optional\[float]* | :heavy\_minus\_sign: | N/A | |
| `version_group` | *Optional\[str]* | :heavy\_minus\_sign: | N/A | |
| `__pydantic_extra__` | Dict\[str, *Any*] | :heavy\_minus\_sign: | N/A | \{<br />"version\_group": "anthropic/claude-sonnet-4"<br />} |