# models

> **Attribute** in `langchain`

📖 [View in docs](https://reference.langchain.com/python/langchain/agents/middleware/model_fallback/ModelFallbackMiddleware/models)

## Signature

```python
models: list[BaseChatModel] = []
```

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/fb6ab993a73180538f6cca876b3c85d46c08845f/libs/langchain_v1/langchain/agents/middleware/model_fallback.py#L65)