​
Code

cookbook/reasoning/models/openai/reasoning_model_gpt_4_1.py
from agno.agent import Agent
from agno.models.openai.responses import OpenAIResponses

agent = Agent(
    model=OpenAIResponses(id="gpt-5-mini"),
    reasoning_model=OpenAIResponses(id="gpt-4.1"),
)
agent.print_response(
    "Solve the trolley problem. Evaluate multiple ethical frameworks. "
    "Include an ASCII diagram of your solution.",
    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 API key

export OPENAI_API_KEY=xxx
3

Install libraries

pip install -U openai agno
4

Run Agent

  python cookbook/reasoning/models/openai/reasoning_model_gpt_4_1.py