Basic Usage

Run openai/gpt-oss-20b through OpenRouterResponses with reasoning enabled in sync and async modes.

OpenRouter’s Responses API (beta) provides OpenAI-compatible access to multiple AI models through a unified interface.

basic.py

"""Basic example using OpenRouter with the Responses API.

OpenRouter's Responses API (beta) provides OpenAI-compatible access to multiple
AI models through a unified interface.

Requirements:
- Set OPENROUTER_API_KEY environment variable
"""

import asyncio

from agno.agent import Agent
from agno.models.openrouter import OpenRouterResponses

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------

agent = Agent(
    model=OpenRouterResponses(id="openai/gpt-oss-20b", reasoning={"enabled": True}),
    markdown=True,
)

# Print the response in the terminal

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    # --- Sync ---
    agent.print_response("Share a 2 sentence horror story")

    # --- Async ---
    asyncio.run(agent.aprint_response("Share a 2 sentence horror story"))

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 OpenRouter API key

   Mac/Linux

   export OPENROUTER_API_KEY="your_openrouter_api_key_here"
   

   $Env:OPENROUTER_API_KEY="your_openrouter_api_key_here"
   
4. Run the example

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

   python basic.py
   

Full source: cookbook/90_models/openrouter/responses/basic.py