haystack/releasenotes/notes/add-sas-b8dbf61c0d78ba19.yaml

---
features:
  - |
    Adds support for the Semantic Answer Similarity (SAS) metric to `EvaluationResult.calculate_metrics(...)`:
    ```python
    from haystack.evaluation.metrics import Metric
    sas_metric = eval_result.calculate_metrics(
        Metric.SAS, output_key="answers", model="sentence-transformers/paraphrase-multilingual-mpnet-base-v2"
    )
    ```