> ## 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.

# Basic Reasoning

> Enable reasoning=True with step bounds, then stream the full reasoning trace.

```python basic_reasoning.py theme={null}
"""
Basic Reasoning
=============================

Basic Reasoning.
"""

from agno.agent import Agent
from agno.models.openai import OpenAIResponses

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------
reasoning_agent = Agent(
    name="Reasoning Agent",
    model=OpenAIResponses(id="gpt-5.2"),
    reasoning=True,
    reasoning_min_steps=2,
    reasoning_max_steps=6,
)

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    reasoning_agent.print_response(
        "A bat and ball cost $1.10 total. The bat costs $1.00 more than the ball."
        " How much does the ball cost?",
        stream=True,
        show_full_reasoning=True,
    )
```

## 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 `basic_reasoning.py`, then run:

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

Full source: [cookbook/02\_agents/13\_reasoning/basic\_reasoning.py](https://github.com/agno-agi/agno/blob/main/cookbook/02_agents/13_reasoning/basic_reasoning.py)