> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# compare • AI Agent SDK

> compare: Compare multiple images.

# compare

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  <Badge color="purple">Method</Badge>
</div>

> This is a method of the [**VisionAgent**](../classes/VisionAgent) class in the [**vision\_agent**](../modules/vision_agent) module.

Compare multiple images.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def compare(images: List[str], prompt: Optional[str], detail: Optional[str], model: Optional[str]) -> str
```

## Parameters

<ParamField query="images" type="List" required={true}>
  List of image URLs or file paths
</ParamField>

<ParamField query="prompt" type="Optional" required={false}>
  Custom comparison prompt
</ParamField>

<ParamField query="detail" type="Optional" required={false}>
  Detail level (low, high, auto)
</ParamField>

<ParamField query="model" type="Optional" required={false}>
  Override model for this call \*\*kwargs: Additional parameters
</ParamField>

### Returns

<ResponseField name="Returns" type="str">
  Comparison analysis text
</ResponseField>

## Usage

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
agent = VisionAgent()
    comparison = agent.compare([
        "before.jpg",
        "after.jpg"
    ], prompt="What changed between these images?")
```

## Uses

* `ValueError`
* `completion`

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/agent/vision_agent.py#L301">
  `praisonaiagents/agent/vision_agent.py` at line 301
</Card>