Skip to main content

​
Code

cookbook/models/vertexai/claude/basic_stream.py
from typing import Iterator  # noqa
from agno.agent import Agent, RunOutputEvent  # noqa
from agno.models.vertexai.claude import Claude

agent = Agent(model=Claude(id="claude-sonnet-4@20250514"), markdown=True)

# Get the response in a variable
# run_response: Iterator[RunOutputEvent] = agent.run("Share a 2 sentence horror story", stream=True)
# for chunk in run_response:
#     print(chunk.content)

# Print the response in the terminal
agent.print_response("Share a 2 sentence horror story", stream=True)

​
Usage

1

Create a virtual environment

Open the Terminal and create a python virtual environment.
python3 -m venv .venv
source .venv/bin/activate
2

Set your environment variables

export CLOUD_ML_REGION=xxx
export GOOGLE_CLOUD_PROJECT=xxx
3

Authenticate your CLI session

gcloud auth application-default login
You dont need to authenticate your CLI every time.
4

Install libraries

pip install -U anthropic agno
5

Run Agent

python cookbook/models/vertexai/claude/basic_stream.py
⌘I