> ## Documentation Index
> Fetch the complete documentation index at: https://agno-v2-service-account.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Given Answer Accuracy Evaluation

> Demonstrates accuracy evaluation for a provided answer string.

```python accuracy_with_given_answer.py theme={null}
"""
Given Answer Accuracy Evaluation
================================

Demonstrates accuracy evaluation for a provided answer string.
"""

from typing import Optional

from agno.eval.accuracy import AccuracyEval, AccuracyResult
from agno.models.openai import OpenAIChat

# ---------------------------------------------------------------------------
# Create Evaluation
# ---------------------------------------------------------------------------
evaluation = AccuracyEval(
    name="Given Answer Evaluation",
    model=OpenAIChat(id="o4-mini"),
    input="What is 10*5 then to the power of 2? do it step by step",
    expected_output="2500",
)

# ---------------------------------------------------------------------------
# Run Evaluation
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    result_with_given_answer: Optional[AccuracyResult] = evaluation.run_with_output(
        output="2500", print_results=True
    )
    assert (
        result_with_given_answer is not None and result_with_given_answer.avg_score >= 8
    )
```

## Run the Example

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Install dependencies">
    ```bash theme={null}
    uv pip install -U agno openai
    ```
  </Step>

  <Step title="Export your OpenAI API key">
    <CodeGroup>
      ```bash Mac/Linux theme={null}
      export OPENAI_API_KEY="your_openai_api_key_here"
      ```

      ```bash Windows theme={null}
      $Env:OPENAI_API_KEY="your_openai_api_key_here"
      ```
    </CodeGroup>
  </Step>

  <Step title="Run the example">
    Save the code above as `accuracy_with_given_answer.py`, then run:

    ```bash theme={null}
    python accuracy_with_given_answer.py
    ```
  </Step>
</Steps>

Full source: [cookbook/09\_evals/accuracy/accuracy\_with\_given\_answer.py](https://github.com/agno-agi/agno/blob/main/cookbook/09_evals/accuracy/accuracy_with_given_answer.py)