Basic Reasoning

Enable reasoning=True with step bounds, then stream the full reasoning trace.

basic_reasoning.py

"""
Basic Reasoning
=============================

Basic Reasoning.
"""

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

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------
reasoning_agent = Agent(
    name="Reasoning Agent",
    model=OpenAIResponses(id="gpt-5.2"),
    reasoning=True,
    reasoning_min_steps=2,
    reasoning_max_steps=6,
)

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    reasoning_agent.print_response(
        "A bat and ball cost $1.10 total. The bat costs $1.00 more than the ball."
        " How much does the ball cost?",
        stream=True,
        show_full_reasoning=True,
    )

Run the Example

1. Set up your virtual environment

   Mac

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

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Install dependencies

   uv pip install -U agno openai
   
3. Export your OpenAI API key

   Mac/Linux

   export OPENAI_API_KEY="your_openai_api_key_here"
   

   $Env:OPENAI_API_KEY="your_openai_api_key_here"
   
4. Run the example

   Save the code above as basic_reasoning.py, then run:

   python basic_reasoning.py
   

Full source: cookbook/02_agents/13_reasoning/basic_reasoning.py