# Overview

The AI Testing and Evaluation framework (`Umbraco.AI` core) provides automated validation of AI outputs. You can define tests that run prompts or agents, then grade the results against success criteria to detect regressions and compare model configurations.

## Installation

The testing framework is included in the core `Umbraco.AI` package. No additional installation is required.

{% hint style="info" %}
You need the Prompt Management or Agent Runtime add-on installed to test prompts or agents respectively.
{% endhint %}

![The tests list showing configured tests with their features and run counts](/files/kes1JnfbcvjtZ4reLxho)

## Features

* **Graders** - Define success criteria with code-based and model-based graders
* **Variations** - A/B test across different models, profiles, and configurations
* **Baselines** - Set a run as a baseline for regression detection
* **Batch Execution** - Run multiple tests at once or filter by tags
* **Metrics** - Calculate pass\@k and pass^k for non-deterministic outputs
* **Transcripts** - Capture full execution traces for debugging

## How It Works

1. **Create a test** targeting a prompt or agent with one or more graders
2. **Run the test** to execute the target and grade the output
3. **Review results** including per-grader scores, metrics, and transcripts
4. **Set a baseline** and compare future runs for regression detection
5. **Add variations** to compare different model configurations side by side

## Quick Start

1. Navigate to the **AI** section > **Tests**
2. Click **Create** and select a prompt or agent to test
3. Add graders to define success criteria
4. Click **Run** to execute the test and review results

See [Getting Started](/ai-in-umbraco/testing-and-evaluation/getting-started.md) for a detailed walkthrough.

## Documentation

| Section                                                                     | Description                             |
| --------------------------------------------------------------------------- | --------------------------------------- |
| [Concepts](/ai-in-umbraco/testing-and-evaluation/concepts.md)               | Tests, graders, variations, and metrics |
| [Getting Started](/ai-in-umbraco/testing-and-evaluation/getting-started.md) | Step-by-step setup guide                |
| [Graders](/ai-in-umbraco/testing-and-evaluation/graders.md)                 | All built-in grader types               |
| [Variations](/ai-in-umbraco/testing-and-evaluation/variations.md)           | A/B testing across configurations       |
| [API Reference](/ai-in-umbraco/testing-and-evaluation/api.md)               | Management API endpoints                |

## Related

* [Prompt Management](/ai-in-umbraco/add-ons/prompt.md) - Prompt templates
* [Agent Runtime](/ai-in-umbraco/add-ons/agent.md) - Agent definitions
* [Guardrails](/ai-in-umbraco/concepts/guardrails.md) - Safety and compliance rules


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