OpenAI Reasoning Effort

Set reasoning_effort to high on o3-mini for a tool-assisted stock report.

reasoning_effort.py
"""
Reasoning Effort
================

Demonstrates this reasoning cookbook example.
"""

from agno.agent import Agent
from agno.models.openai import OpenAIChat
from agno.tools.websearch import WebSearchTools


# ---------------------------------------------------------------------------
# Create Example
# ---------------------------------------------------------------------------
def run_example() -> None:
    agent = Agent(
        model=OpenAIChat(id="o3-mini", reasoning_effort="high"),
        tools=[WebSearchTools(enable_news=False)],
        instructions="Use tables to display data.",
        markdown=True,
    )

    agent.print_response("Write a report comparing NVDA to TSLA", stream=True)


# ---------------------------------------------------------------------------
# Run Example
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    run_example()

OpenAI schedules o3-mini and o4-mini for shutdown on October 23, 2026. The provider lifecycle notice lists their replacements. Check the selected replacement's reasoning and service-tier support before changing the source model ID.

Run the Example

Set up your virtual environment

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

Install dependencies

uv pip install -U agno ddgs openai

Export your OpenAI API key

export OPENAI_API_KEY="your_openai_api_key_here"

Run the example

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

python reasoning_effort.py

Full source: cookbook/10_reasoning/models/openai/reasoning_effort.py