> ## 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.

# Extended Thinking

> Enable extended thinking for a Claude agent through Azure AI Foundry.

## Code

```python thinking.py theme={null}
from agno.agent import Agent
from agno.models.azure.claude import Claude

agent = Agent(
    model=Claude(
        id="claude-sonnet-4-6",
        max_tokens=2048,
        thinking={"type": "enabled", "budget_tokens": 1024},
    ),
    markdown=True,
)

agent.print_response("Share a very scary 2 sentence horror story")
```

## Usage

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

**1. Set your environment variables**

```bash Mac theme={null}
export ANTHROPIC_FOUNDRY_API_KEY=xxx
export ANTHROPIC_FOUNDRY_RESOURCE=xxx
```

```bash Windows theme={null}
setx ANTHROPIC_FOUNDRY_API_KEY xxx
setx ANTHROPIC_FOUNDRY_RESOURCE xxx
```

**2. Install dependencies**

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

**3. Run Agent**

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

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


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