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+# Prompt flow evaluators
+
+[![Python package](https://img.shields.io/pypi/v/promptflow-tools)](https://pypi.org/project/promptflow-evals/)
+[![License: MIT](https://img.shields.io/github/license/microsoft/promptflow)](https://github.com/microsoft/promptflow/blob/main/LICENSE)
+
+## Introduction
+Evaluators are prebuilt promptflow pipelines that are designed to measure the quality of the outputs from large language models.
+The package includes
+ - Chat evaluator
+ - Coherence evaluator
+ - F1 score evaluator
+ - Fluency evaluator
+ - Groundedness evaluator
+ - QA evaluator
+ - Relevance evaluator
+ - Similarity evaluator
+ - Content safety evaluators
+   * Self harm evaluator
+   * Hate/unfairness evaluator
+   * Sexual evaluator