Tool Use Gpt 5

Code

1from kern.agent import Agent
2from kern.models.openai import OpenAIResponses
3from kern.tools.yfinance import YFinanceTools
4
5agent = Agent(
6    model=OpenAIResponses(id="gpt-5"),
7    tools=[YFinanceTools(cache_results=True)],
8    markdown=True,
9    telemetry=False,
10)
11
12agent.print_response("What is the current price of TSLA?", stream=True)

Usage

Set up your virtual environment

1uv venv --python 3.12
2source .venv/bin/activate

1uv venv --python 3.12
2.venv\Scripts\activate

Set your API key

1export OPENAI_API_KEY=xxx

Install dependencies

1uv pip install -U openai kern-ai

Run Agent

1python cookbook/11_models/openai/responses/tool_use_gpt_5.py