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basic.py
"""
Anthropic Basic
===============

Cookbook example for `anthropic/basic.py`.
"""

from agno.agent import Agent, RunOutput  # noqa
from agno.models.anthropic import Claude
import asyncio

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

agent = Agent(model=Claude(id="claude-sonnet-4-5-20250929"), markdown=True)

# Get the response in a variable
# run: RunOutput = agent.run("Share a 2 sentence horror story")
# print(run.content)

# Print the response in the terminal

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    # --- Sync ---
    agent.print_response("Share a 2 sentence horror story")

    # --- Sync + Streaming ---
    agent.print_response("Share a 2 sentence horror story", stream=True)

    # --- Async ---
    asyncio.run(agent.aprint_response("Share a 2 sentence horror story"))

    # --- Async + Streaming ---
    asyncio.run(agent.aprint_response("Share a 2 sentence horror story", stream=True))

​
Run the Example

1

Set up your virtual environment

uv venv --python 3.12
source .venv/bin/activate

uv venv --python 3.12
.venv\Scripts\activate
2

Install dependencies

uv pip install -U agno anthropic
3

Export your Anthropic API key

export ANTHROPIC_API_KEY="your_anthropic_api_key_here"

$Env:ANTHROPIC_API_KEY="your_anthropic_api_key_here"
4

Run the example

Save the code above as basic.py, then run:
python basic.py
Full source: cookbook/90_models/anthropic/basic.py