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1

Create a Python file

touch basic.py
2

Add the following code to your Python file

basic.py
from agno.agent import Agent
from agno.models.openai import OpenAIChat

agent = Agent(
    model=OpenAIChat(id="gpt-5-mini"),
    instructions="You are a helpful assistant. All your responses must be brief and concise.",
)

agent.print_response("What healthy dinner can I have today?")
3

Create a virtual environment

Open the Terminal and create a python virtual environment.
python3 -m venv .venv
source .venv/bin/activate
4

Install libraries

pip install -U agno openai
5

Export your OpenAI API key

  export OPENAI_API_KEY="your_openai_api_key_here"
6

Run Agent

python basic.py