Is this workflow free to use?

The n8n workflow itself is free, but you need paid OpenAI and Dumpling AI API access.

What do I need to run it?

Google Drive, Google Sheets, OpenAI, and Dumpling AI credentials plus a reference image and brand website.

How do I import this into n8n?

Copy the workflow JSON into n8n and configure the listed credentials and IDs.

Generate Ad Image Variations Using GPT-4, Dumpling AI & Google Drive

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Generates 10 ad image variations from a reference using GPT-4 and Dumpling AI.

n8nAI & LLMIntermediate👁 125 views

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Updated 2026-06-15

What this workflow does

This automation takes a reference ad image and brand website details, then uses GPT-4, LangChain agents, and Dumpling AI to produce 10 consistent yet varied ad images differing in background, mood, lighting, and tone before storing results in Google Drive.

It is designed for DTC marketers, brand designers, creative teams, content agencies, and performance marketers who need automated visual experimentation for Meta Ads, TikTok, or multivariate testing.

Who is this for?

DTC marketers, brand designers, creative teams, and performance marketers who need to rapidly test ad creatives on Meta, TikTok, and similar platforms.

What problem it solves

Manually creating multiple ad image variations is slow and inconsistent; this workflow automates the generation of 10 visually coherent variations from a single reference image and brand site.

Live workflow preview

Interactive canvas of every node and connection — scroll and click to explore. Powered by n8n's preview.

Open the template on n8n to import and run it. View source template →

What it automates

Meta Ads testing

Upload one winning ad image and instantly produce 10 subtle variants for A/B testing on Facebook and Instagram.

TikTok creative sprints

Feed a brand reference image to generate mood and lighting variations that match platform trends without hiring designers.

Agency client deliverables

Quickly mock up multiple ad concepts for client review while keeping brand aesthetics consistent across outputs.

How the workflow works

The 7 nodes in this automation, in order.

1Google SheetsgoogleSheets
2HTTP RequesthttpRequest
3Google DrivegoogleDrive
4AI Agent@n8n/n8n-nodes-langchain.agent
5OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
6Structured Output Parser@n8n/n8n-nodes-langchain.outputParserStructured
7OpenAI@n8n/n8n-nodes-langchain.openAi

Apps & integrations used

Google SheetsHTTP RequestGoogle DriveAI AgentOpenAI Chat ModelStructured Output ParserOpenAI

How to set up Generate Ad Image Variations Using GPT-4, Dumpling AI & Google Drive

1Connect Google Drive and Google Sheets OAuth2 credentials in n8n.
2Add your OpenAI and Dumpling AI (HTTP Header Auth) API keys via the credential manager.
3Update the Google Sheet ID and tab name in the final Sheets node.
4Set the target Google Drive folderId in the upload node.
5Trigger the workflow via the form with Brand Name, Brand Website, and reference Ad Image.
6Review generated prompts in the AI Agent node before Dumpling AI image creation.

How to customize this workflow

→Swap GPT-4o for GPT-4o-mini to reduce cost on description steps.
→Change the form trigger to a webhook for direct integration with ad platforms.
→Add a filter node to only save images that meet a minimum quality score.
→Replace Dumpling AI with another image model via the HTTP Request node.