> ## 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.

# Accuracy Evaluator • Rust AI Agent SDK

> AccuracyEvaluator: Evaluator for accuracy (comparing output to expected).

# AccuracyEvaluator

> Defined in the [**eval**](../modules/eval) module.

<Badge color="orange">Rust AI Agent SDK</Badge>

Evaluator for accuracy (comparing output to expected).

## Fields

| Name       | Type                   | Description                          |
| ---------- | ---------------------- | ------------------------------------ |
| `input`    | `String`               | Input text                           |
| `expected` | `String`               | Expected output                      |
| `actual`   | `Option&lt;String&gt;` | Actual output (if already available) |
| `config`   | `EvaluatorConfig`      | Configuration                        |

## Methods

### `new`

```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn new() -> AccuracyEvaluatorBuilder
```

Create a new builder.

### `evaluate_simple`

```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn evaluate_simple(&self, actual: &str) -> AccuracyResult
```

Evaluate accuracy using simple string comparison.

**Parameters:**

| Name     | Type   |
| -------- | ------ |
| `actual` | `&str` |

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-rust/praisonai/src/eval/mod.rs#L318">
  `praisonai/src/eval/mod.rs` at line 318
</Card>

***

## Related Documentation

<CardGroup cols={2}>
  <Card title="Rust Evaluation" icon="gavel" href="/docs/rust/evaluation" />

  <Card title="Rust Criteria" icon="check-double" href="/docs/rust/criteria" />
</CardGroup>