Performance on Agent Instantiation with Tool

1"""Run `uv pip install kern-ai openai memory_profiler` to install dependencies."""
2
3from typing import Literal
4
5from kern.agent import Agent
6from kern.eval.performance import PerformanceEval
7from kern.models.openai import OpenAIResponses
8
9
10def get_weather(city: Literal["nyc", "sf"]):
11    """Use this to get weather information."""
12    if city == "nyc":
13        return "It might be cloudy in nyc"
14    elif city == "sf":
15        return "It's always sunny in sf"
16
17
18tools = [get_weather]
19
20
21def instantiate_agent():
22    return Agent(model=OpenAIResponses(id="gpt-5.2"), tools=tools)  # type: ignore
23
24
25instantiation_perf = PerformanceEval(
26    name="Tool Instantiation Performance", func=instantiate_agent, num_iterations=1000
27)
28
29if __name__ == "__main__":
30    instantiation_perf.run(print_results=True, print_summary=True)

1uv pip install -U openai kern-ai memory_profiler

1python performance_instantiation_with_tool.py