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Documentation Index

Fetch the complete documentation index at: https://docs.definable.ai/llms.txt

Use this file to discover all available pages before exploring further.

OpenRouter provides access to models from OpenAI, Anthropic, Google, Meta, and more through a single API.

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Setup

export OPENROUTER_API_KEY="sk-or-..."

​
Basic Usage

from definable.model.openrouter import OpenRouter
from definable.model.message import Message

model = OpenRouter(id="meta-llama/llama-3-70b")
response = model.invoke(
    messages=[Message(role="user", content="Hello!")],
    assistant_message=Message(role="assistant", content=""),
)
print(response.content)

​
String Shorthand

agent = Agent(model="openrouter/meta-llama/llama-3-70b")

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Parameters

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id
str
required
Model identifier from the OpenRouter model list.
​
api_key
str
OpenRouter API key. Defaults to OPENROUTER_API_KEY.
​
temperature
float
Sampling temperature.
​
max_tokens
int
Maximum output tokens.

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Imports

from definable.model.openrouter import OpenRouter