> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Schema4 - Python SDK

> Schema4 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                     |
| --------------------------- | ------------------------- |
| `UNKNOWN`                   | unknown                   |
| `OPENAI_RESPONSES_V1`       | openai-responses-v1       |
| `AZURE_OPENAI_RESPONSES_V1` | azure-openai-responses-v1 |
| `XAI_RESPONSES_V1`          | xai-responses-v1          |
| `ANTHROPIC_CLAUDE_V1`       | anthropic-claude-v1       |
| `GOOGLE_GEMINI_V1`          | google-gemini-v1          |