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

# Gemini Interactions - Thinking

> Example showing thinking/reasoning with the Gemini Interactions API.

```python thinking.py theme={null}
"""
Gemini Interactions - Thinking
===============================

Example showing thinking/reasoning with the Gemini Interactions API.
"""

import asyncio

from agno.agent import Agent
from agno.models.google import GeminiInteractions

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------

agent = Agent(
    model=GeminiInteractions(
        id="gemini-3.5-flash",
        thinking_level="high",
    ),
    markdown=True,
)

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    # --- Sync ---
    agent.print_response(
        "Solve: If a train travels at 60 mph for 2.5 hours, then at 80 mph for 1.5 hours, what is the total distance and average speed?"
    )

    # --- Streaming ---
    asyncio.run(
        agent.aprint_response(
            "Explain why the sum of angles in a triangle is always 180 degrees.",
            stream=True,
        )
    )
```

## Run the Example

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

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

  <Step title="Export your Google API key">
    <CodeGroup>
      ```bash Mac/Linux theme={null}
      export GOOGLE_API_KEY="your_google_api_key_here"
      ```

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

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

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

Full source: [cookbook/90\_models/google/gemini\_interactions/thinking.py](https://github.com/agno-agi/agno/blob/main/cookbook/90_models/google/gemini_interactions/thinking.py)