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Chat with AI models via OpenRouter using Mistral

Workflow preview

Chat with AI models via OpenRouter using Mistral preview
Open on n8n.io

Important notice

This workflow is provided as-is. Please review and test before using in production.

Overview

This n8n workflow demonstrates how to build an automated AI chat system using OpenRouter.ai. It includes a manual trigger, sets a model and user message, sends a POST request to the OpenRouter chat API, and summarizes the response.

Workflow Steps:

  1. Manual Trigger – Starts the workflow when executed manually.
  2. Set Node – Defines:
    • Model: mistralai/mistral-small-3.2-24b-instruct:free
    • Message: What is the meaning of life?
  3. HTTP Request – Sends a POST request to https://openrouter.ai/api/v1/chat/completions using Bearer Token Authentication with the model and message as JSON.
  4. Summarize – Extracts and summarizes the AI’s response (choices[0].message.content).

Use Cases:

  • AI chatbot automation
  • Content summarization
  • Testing AI prompts in real-time
  • Educational demos using OpenRouter.ai
  • Lightweight conversational tools with no external server