OpenAI o4-mini

Run OpenAI o4-mini through the Responses API to reason step by step over an ethics prompt.

OpenAI has announced retirement of this model on October 23, 2026. It remains available until then; plan a replacement using the current model guidance.

Add the following code to your Python file

o4_mini_example.py
from agno.agent import Agent
from agno.models.openai.responses import OpenAIResponses

agent = Agent(model=OpenAIResponses(id="o4-mini"))

agent.print_response(
    "Solve the trolley problem. Evaluate multiple ethical frameworks. "
    "Include an ASCII diagram of your solution.",
    stream=True,
)

Set up your virtual environment

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

Install dependencies

uv pip install -U agno openai

Export your OpenAI API key

  export OPENAI_API_KEY="your_openai_api_key_here"

Run Agent

python o4_mini_example.py