Agent Flex Tier

Run o4-mini on the flex service tier with the OpenAIResponses model.

Code

from agno.agent import Agent
from agno.models.openai import OpenAIResponses

agent = Agent(
    model=OpenAIResponses(id="o4-mini", service_tier="flex"),
    markdown=True,
)

agent.print_response("Share a 2 sentence horror story")

Usage

Set up your virtual environment

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

Set your API key

export OPENAI_API_KEY=xxx

Install dependencies

uv pip install -U openai agno

Run Agent

Save the code above as agent_flex_tier.py, then run:

python agent_flex_tier.py