# Evaluation
CrossEncoder have their own evaluation classes in `sentence_transformers.cross_encoder.evaluation`.

## CrossEncoderRerankingEvaluator
```{eval-rst}
.. autoclass:: sentence_transformers.cross_encoder.evaluation.CrossEncoderRerankingEvaluator
```

## CrossEncoderNanoBEIREvaluator
```{eval-rst}
.. autoclass:: sentence_transformers.cross_encoder.evaluation.CrossEncoderNanoBEIREvaluator
```

## CrossEncoderClassificationEvaluator
```{eval-rst}
.. autoclass:: sentence_transformers.cross_encoder.evaluation.CrossEncoderClassificationEvaluator
```

## CrossEncoderCorrelationEvaluator
```{eval-rst}
.. autoclass:: sentence_transformers.cross_encoder.evaluation.CrossEncoderCorrelationEvaluator
```