Agent with Reasoning Effort

Code

1from kern.agent import Agent
2from kern.models.openai import OpenAIResponses
3from kern.tools.hackernews import HackerNewsTools
4
5agent = Agent(
6    model=OpenAIResponses(id="gpt-5.2", reasoning_effort="high"),
7    tools=[HackerNewsTools()],
8        markdown=True,
9)
10
11agent.print_response("Write a report on the latest news on AI?", 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/10_reasoning/models/openai/reasoning_effort.py