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

# Given Answer Accuracy Evaluation

> Grade a pre-computed output string with AccuracyEval.run_with_output(), no agent execution required.

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

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

**1. Install dependencies**

```bash theme={null}
uv pip install -U agno openai
```

**2. Export your OpenAI API key**

```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"
```

**3. Run the example**

Save the code above as `accuracy_with_given_answer.py`, then run:

```bash theme={null}
python accuracy_with_given_answer.py
```

Full source: [cookbook/09\_evals/accuracy/accuracy\_with\_given\_answer.py](https://github.com/agno-agi/agno/blob/v3.0.4/cookbook/09_evals/accuracy/accuracy_with_given_answer.py)


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