Streaming Agent

Code

1from kern.agent import Agent, RunOutputEvent  # noqa
2from kern.models.cohere import Cohere
3
4agent = Agent(model=Cohere(id="command-a-03-2025"), markdown=True)
5
6# Get the response in a variable
7# run_response: Iterator[RunOutputEvent] = agent.run("Share a 2 sentence horror story", stream=True)
8# for chunk in run_response:
9#     print(chunk.content)
10
11# Print the response in the terminal
12agent.print_response("Share a 2 sentence horror story", stream=True)

Usage

Set up your virtual environment

1uv venv --python 3.12
2source .venv/bin/activate

1uv venv --python 3.12
2.venv\Scripts\activate

Set your API key

1export CO_API_KEY=xxx

Install dependencies

1uv pip install -U cohere kern-ai

Run Agent

1python cookbook/11_models/cohere/basic_stream.py