1
Create a Python file
performance_async.py
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"""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
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uv venv --python 3.12
source .venv/bin/activate
3
Install dependencies
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uv pip install -U openai agno
4
Export your OpenAI API key
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export OPENAI_API_KEY="your_openai_api_key_here"
5
Run Agent
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python performance_async.py