# stream

> **Method** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/language_models/chat_models/BaseChatModel/stream)

## Signature

```python
stream(
    self,
    input: LanguageModelInput,
    config: RunnableConfig | None = None,
    *,
    stop: list[str] | None = None,
    **kwargs: Any = {},
) -> Iterator[AIMessageChunk]
```

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/8fec4e7ceee2c368b068c49f9fed453276e210e7/libs/core/langchain_core/language_models/chat_models.py#L532)