Chat with AI models via OpenRouter using Mistral

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