OpenRouter is a unified API that provides access to multiple LLM providers through a single OpenAI-compatible interface. Switch between Claude, Gemini, GPT, and more without changing your code.
Vision Agents requires a Stream account for real-time transport. Most providers offer free tiers to get started. Installation
uv add vision-agents[openrouter]
Quick Start
from vision_agents.core import User, Agent
from vision_agents.plugins import openrouter, getstream, elevenlabs, deepgram
agent = Agent(
edge=getstream.Edge(),
agent_user=User(name="Assistant", id="agent"),
instructions="You are a helpful assistant.",
llm=openrouter.LLM(model="anthropic/claude-sonnet-4"),
tts=elevenlabs.TTS(),
stt=deepgram.STT(),
)
Set OPENROUTER_API_KEY in your environment or pass api_key directly.
Parameters
| Name | Type | Default | Description |
|---|
model | str | "openrouter/andromeda-alpha" | Model identifier (see available models) |
api_key | str | None | API key (defaults to OPENROUTER_API_KEY env var) |
base_url | str | "https://openrouter.ai/api/v1" | API base URL |
Available Models
| Provider | Model ID |
|---|
| Anthropic | anthropic/claude-sonnet-4, anthropic/claude-opus-4 |
| Google | google/gemini-2.5-flash, google/gemini-2.5-pro |
| OpenAI | openai/gpt-4o, openai/gpt-4o-mini |
Next Steps
