š¼ļø Turn Reddit Pain Points into Comic Ads using GPT-4o + Dumpling AI in n8n
š What This Automation Does
This powerful automation built in n8n allows you to:
- Extract real pain points from Reddit using GPT-4o and Reddit’s API
- Turn those user frustrations into marketing messages
- Generate ad concepts as comic panels
- Render them with AI-generated images via Dumpling AI
- Upload the results to Google Drive
Itās ideal for creators, marketers, and DTC brands who want to:
- Create relatable ad content
- Use real audience language
- Test ad angles before production
š§© Workflow Breakdown: Node-by-Node
š© 1. Trigger: Form Input from Brand
Node: When a Form is Submitted
Form includes:
- Brand Name
- Website
- Product Explanation
This form starts the automation. It collects basic info about your brand and product. This input powers all the AI nodes later.

š§ 2. Generate Reddit Keyword
Node: Generate Reddit Keyword from Product Description
- Uses GPT-4o to extract a likely keyword Redditors would use to discuss this productās pain points.
- For Try Brez (THC-infused tonic), GPT returns: “hangxiety”

š 3. Search Reddit for Posts
Node: Search Reddit Posts Using Keyword
- Pulls top 10 Reddit posts matching the keyword.
- Sources content across subreddits like r/Anxiety, r/hangxiety, etc.

š 4. Filter for Quality Posts
Node: Filter Posts With 2+ Upvotes and Text
Removes:
- Posts with no body text
- Posts with fewer than 2 upvotes
This ensures the content used later is human-written, relevant, and community-validated.

š§ 5. Classify Post Relevance to Product
Node: Classify Post Relevance to Product
Uses GPT-4o with a structured prompt that asks:
- Does this Reddit post describe a pain our product can solve?
- Returns JSON: { isRelevant: true, reason: ‘Matches the pain Brez helps solve’ }

š§¹ 6. Format Relevant Reddit Data
Node: Edit field:Format Relevant Reddit Post Fields
Selects and renames:
- Post title
- Post content
- Subreddit
- Upvotes
- URL

š¦ 7. Aggregate All Relevant Posts
Node: Aggregate Relevant Reddit Data
Combines relevant posts into a single array of context for GPT to analyze when writing marketing messages.

āļø 8. Turn Reddit Pain into Ad Messages
Node: Generate 10 Ad Angles From Reddit Posts
GPT-4o reads the pain points and crafts 10 punchy ad lines in the style of comic scripts:
- āYou wake up with heart-racing dread? Meet Brez ā the hangxiety killer.ā
- āNo hangover. No regrets. Just Brez.ā

šÆ 9. Rank the Top 10 Ad Angles
Node: Rank Top 10 Ad Angles
Asks GPT to:
- Evaluate the emotional & strategic power of each line
- Rank and return the top 10 in order

š¼ļø 10. Convert Ads to Comic Prompts
Node: Create Comic Prompts from Ad Angles
GPT now writes image generation prompts for a 4-panel comic structure:
- Panel 1: Introduce pain
- Panel 2: Escalation
- Panel 3: Product enters
- Panel 4: Resolution

š§ 11. Parse JSON from GPT
Node: Parse Comic Prompt JSON Output
GPT returns prompts in structured JSON. This node ensures theyāre readable for the image generation API.

š 12. Split Comic Prompts & Loop
Nodes: Split Comic Prompt Objects & Loop Through Comic Prompts
Breaks the array into one-by-one executions so images can be generated individually.

š§ 13. Generate Comic Image
Node: Generate Comic Image via Dumpling AI
Calls Dumpling AI to render a 4-panel comic in square format (512×512). Uses the model FLUX.1-pro.
ā¬ļø 15. Download Image
Node: Fetch Comic Image URL
Pulls the final rendered comic image for download.

āļø 16. Upload Image to Google Drive
Node: Upload Image to Google Drive
Uploads the file to a specific folder (e.g. n8n Testing) on Google Drive.
- File is named after the original comic prompt.

ā Final Result
Youāve turned:
- A product description
- Real Reddit pain points
- Into emotional, visual comic ads
All without writing a word or opening Photoshop.
š Use Cases
- DTC brands launching new ads
- Meme marketers
- Creators building audience-first campaigns
- Designers needing fast mockups
- AI marketers and agencies building demos
š§ Conclusion
This n8n workflow is a perfect example of problem-first marketing. It listens to real people, pulls from real pain, and turns that into emotionally grounded creative. By combining GPT-4o, Reddit, and Dumpling AI, you now have a repeatable system to generate social ad content in minutes.