Basic Reasoning Agent

This example demonstrates how to configure a basic Reasoning Agent, using the reasoning=True flag.

Code

cookbook/reasoning/agents/analyse_treaty_of_versailles.py

from agno.agent import Agent
from agno.models.openai import OpenAIChat

task = (
    "Analyze the key factors that led to the signing of the Treaty of Versailles in 1919. "
    "Discuss the political, economic, and social impacts of the treaty on Germany and how it "
    "contributed to the onset of World War II. Provide a nuanced assessment that includes "
    "multiple historical perspectives."
)

reasoning_agent = Agent(
    model=OpenAIChat(id="gpt-5-mini"),
    reasoning=True, # The Agent will be able to reason.
    markdown=True,
)
reasoning_agent.print_response(task, stream=True, show_full_reasoning=True)

Usage

1. Create a virtual environment

   Open the Terminal and create a python virtual environment.

   Mac

   python3 -m venv .venv
   source .venv/bin/activate
   
2. Set your API key

   export OPENAI_API_KEY=xxx
   
3. Install libraries

   pip install -U openai agno
   
4. Run Example

   Mac

   python cookbook/reasoning/agents/analyse_treaty_of_versailles.py