# CrossEncoderReranker

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/retrievers/document_compressors/cross_encoder_rerank/CrossEncoderReranker)

Document compressor that uses CrossEncoder for reranking.

## Signature

```python
CrossEncoderReranker()
```

## Extends

- `BaseDocumentCompressor`

## Properties

- `model`
- `top_n`
- `model_config`

## Methods

- [`compress_documents()`](https://reference.langchain.com/python/langchain-classic/retrievers/document_compressors/cross_encoder_rerank/CrossEncoderReranker/compress_documents)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/f0c5a28fa05adcda89aebcb449d897245ab21fa4/libs/langchain/langchain_classic/retrievers/document_compressors/cross_encoder_rerank.py#L16)