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Back to Free AI image generator - n8n automation workflow with Gemini/ChatGPT

Set Up: Free AI image generator - n8n automation workflow with Gemini/ChatGPT

This workflow transforms text prompts into AI-generated images through an automated pipeline. It processes your description, sends it to Google Gemini's image model, and delivers the final image via Telegram or saves it to your local storage within seconds.

What This Automation Does
1

Receive image prompt via Telegram or chat

The workflow triggers when you send a text description of the image you want to generate through Telegram or the built-in chat interface.

2

Parse and structure the prompt

The input text is cleaned and transformed into a structured prompt optimized for AI image generation using multi-step processing.

3

Generate image with AI Agent

The AI Agent sends the formatted prompt to Google Gemini's image model to create a custom image with default dimensions of 1080 x 1920 pixels.

4

Process and validate image data

The raw image data is processed through validation codes to ensure it's properly formatted for preview and download purposes.

5

Fetch and preview the generated image

An HTTP request retrieves the final image so you can preview the AI-generated result before saving or sharing.

6

Deliver image to chosen destination

The completed image is either sent back through Telegram chat or saved directly to your local disk storage based on your configuration.

Prerequisites

  • Google Gemini account with image generation access
  • Telegram bot token and chat setup
  • Local storage access for saving images
  • n8n platform with proper node credentials configured

Services Used

Lm Chat Google GeminiTelegram

Services with alternatives — you can swap them in the next step.