> ## 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.

# TTS

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `latency` | [Nullable\[components.PercentileStats\]](../components/percentilestats.mdx) | :heavy\_check\_mark: | N/A | \{<br />"p50": 25.5,<br />"p75": 35.2,<br />"p90": 48.7,<br />"p99": 85.3<br />} |
| `request_count` | *Nullable\[int]* | :heavy\_check\_mark: | Total requests admitted for this workload in the window. | |
| `throughput` | [Nullable\[components.PercentileStats\]](../components/percentilestats.mdx) | :heavy\_check\_mark: | N/A | \{<br />"p50": 25.5,<br />"p75": 35.2,<br />"p90": 48.7,<br />"p99": 85.3<br />} |