Nexus - Agno

Nexus is a routing platform that provides endpoints for various Large Language Models through a unified API interface. Explore Nexus’s capabilities and documentation here.

Authentication

Nexus requires API keys for the underlying model providers. Set the appropriate environment variables for the models you plan to use:

export OPENAI_API_KEY=***
export ANTHROPIC_API_KEY=***

setx OPENAI_API_KEY ***
setx ANTHROPIC_API_KEY ***

Example

Use Nexus with your Agent:

from agno.agent import Agent
from agno.models.nexus import Nexus

agent = Agent(model=Nexus(id="anthropic/claude-sonnet-4-20250514"), markdown=True)

# Print the response in the terminal
agent.print_response("Share a 2 sentence horror story")

View more examples here.

Params

Parameter	Type	Default	Description
`id`	`str`	`"openai/gpt-4"`	The id of the model to use through Nexus
`name`	`str`	`"Nexus"`	The name of the model
`provider`	`str`	`"Nexus"`	The provider of the model
`api_key`	`Optional[str]`	`"not-provided"`	The API key sent to the Nexus router. Not required for a local deployment
`base_url`	`str`	`"http://localhost:8000/llm/v1/"`	The base URL for the Nexus API

Nexus also supports the params of OpenAI.

​Authentication

​Example

​Params

Authentication

Example

Params