# CombiningOutputParser

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser)

Combine multiple output parsers into one.

## Signature

```python
CombiningOutputParser()
```

## Extends

- `BaseOutputParser[dict[str, Any]]`

## Properties

- `parsers`

## Methods

- [`is_lc_serializable()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/is_lc_serializable)
- [`validate_parsers()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/validate_parsers)
- [`get_format_instructions()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/get_format_instructions)
- [`parse()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/parse)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/79cab2dc7f58be720cac43db3677b4c1fd971f91/libs/langchain/langchain_classic/output_parsers/combining.py#L12)