> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# PercentileLatencyCutoffs - Python SDK

> PercentileLatencyCutoffs method reference

<Warning>
  The Python SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues).
</Warning>

Percentile-based latency cutoffs. All specified cutoffs must be met for an endpoint to be preferred.

## Fields

| Field | Type                       | Required             | Description                   |
| ----- | -------------------------- | -------------------- | ----------------------------- |
| `p50` | *OptionalNullable\[float]* | :heavy\_minus\_sign: | Maximum p50 latency (seconds) |
| `p75` | *OptionalNullable\[float]* | :heavy\_minus\_sign: | Maximum p75 latency (seconds) |
| `p90` | *OptionalNullable\[float]* | :heavy\_minus\_sign: | Maximum p90 latency (seconds) |
| `p99` | *OptionalNullable\[float]* | :heavy\_minus\_sign: | Maximum p99 latency (seconds) |