> ## 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.

# ReasoningDeltaEventType - Python SDK

> ReasoningDeltaEventType method reference

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

## Values

| Name                            | Value                          |
| ------------------------------- | ------------------------------ |
| `RESPONSE_REASONING_TEXT_DELTA` | response.reasoning\_text.delta |