Free AI model for AI agent node

Questions
1

I want to connect an AI CHAT MODEL node to my automated assistant. Can you recommend me a free AI model for this purpose?

Describe the problem/error/question

What is the error message (if any)?

Please share your workflow

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)

Share the output returned by the last node

Information on your n8n setup

  • n8n version:
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app):
  • Operating system:
2

You can self host models, for example with Ollama.

Here is a basic example of how to set it up:

3

Hi there, some of the gemini node have a free tier and also you can use OpenRouter, openrouter is like an app store of LLM, where you can use a bunch of different LLM, and there r some that are free and there are some that are paid, and they have an openrouter node also in n8n, so i recommend you to try

4

Let me tell you about a few options. There’s AI Chat Online, which uses a really advanced language model called Gemini Flash 2.5. It’s totally free and can have smart conversations, generate text, and even understand images.

Another option is EaseMate AI Chat Assistant