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1

Create a Python file

performance_async.py
"""This example shows how to run a Performance evaluation on an async function."""

import asyncio

from agno.agent import Agent
from agno.eval.performance import PerformanceEval
from agno.models.openai import OpenAIResponses


# Simple async function to run an Agent.
async def arun_agent():
    agent = Agent(
        model=OpenAIResponses(id="gpt-5.2"),
        system_message="Be concise, reply with one sentence.",
    )
    response = await agent.arun("What is the capital of France?")
    return response


performance_eval = PerformanceEval(func=arun_agent, num_iterations=10)

# Because we are evaluating an async function, we use the arun method.
asyncio.run(performance_eval.arun(print_summary=True, print_results=True))
2

Set up your virtual environment

uv venv --python 3.12
source .venv/bin/activate
3

Install dependencies

uv pip install -U openai agno
4

Export your OpenAI API key

  export OPENAI_API_KEY="your_openai_api_key_here"
5

Run Agent

python performance_async.py