Streaming Agent

Code

cookbook/11_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. Set up your virtual environment

   Mac

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

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Set your environment variables

   Mac

   export CLOUD_ML_REGION=xxx
   export GOOGLE_CLOUD_PROJECT=xxx
   

     setx CLOUD_ML_REGION xxx
     setx 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 dependencies

   uv pip install -U anthropic agno
5. Run Agent

   python cookbook/11_models/vertexai/claude/basic_stream.py