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Readme

n8n-nodes-openrouter-complete

An n8n community node that lets you send prompts to 200+ AI models via the OpenRouter API — including GPT-4o, Claude, Gemini, Llama, and more.

Installation

In your n8n instance, go to Settings → Community Nodes and install:

n8n-nodes-openrouter-complete

Or manually via npm (self-hosted only):

npm install n8n-nodes-openrouter-complete

Requires n8n v1.0.0 or later.

Credentials

Sign up at openrouter.ai
Go to Keys and create an API key
In n8n, add a new OpenRouter API credential and paste the key

Node: OpenRouter

Sends a prompt to any model available on OpenRouter and returns the completion.

Parameters

Parameter	Description
Output Modalities	Filter the model list by capability (text, image, audio…)
Model	Dynamically loaded from OpenRouter based on modality filter
Prompt	The message to send to the model
Max Tokens	Cap on generated tokens (default: 1024)
Temperature	Randomness of output, 0–2 (default: 0.7)

Output

Returns the full OpenRouter API response as JSON, including choices[0].message.content with the model's reply.

Example Workflow

A simple workflow that takes a prompt from a manual trigger and sends it to an AI model:

[Manual Trigger]
  → [OpenRouter] (model: google/gemini-flash-1.5, prompt: "Summarize the latest AI news")
  → [Set] (extract: {{ $json.choices[0].message.content }})

To import: copy the JSON below and use Workflows → Import from clipboard in n8n.

{
  "nodes": [
    {
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [240, 300]
    },
    {
      "name": "OpenRouter",
      "type": "n8n-nodes-openrouter-complete.openRouter",
      "position": [460, 300],
      "parameters": {
        "output_modalities": "text",
        "model": "google/gemini-flash-1.5",
        "prompt": "Summarize the latest AI news in 3 bullet points.",
        "maxTokens": 512,
        "temperature": 0.7
      }
    }
  ],
  "connections": {
    "Manual Trigger": {
      "main": [[{ "node": "OpenRouter", "type": "main", "index": 0 }]]
    }
  }
}

Development

# Install dependencies
npm install

# Build
npm run build

# Lint
npm run lint

# Run in dev mode (links to local n8n)
npm run dev

License

MIT