Generate and compare marketing content with GPT, Claude, Gemini, and Google Sheets
UnknownUnknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.
What this workflow does
This workflow has 8 nodes and runs when someone submits an n8n form (“Multi-Model Content Generator”). Along the way it connects Google Sheets and Cometapi (community).
How it runs
Trigger: When someone submits an n8n form (“Multi-Model Content Generator”).
- Parse input fields (Edit Fields (Set)): sets 2 fields: topic, contentType
- Write content using GPT (Comet Api): uses Comet Api
- Write content using Gemini (Comet Api): uses Comet Api
- Write content using Claude (Comet Api): uses Comet Api
- Merge: merges the data from its input branches
- Parse output fields (Edit Fields (Set)): sets 3 fields: Model A Result (GPT), Model B Result (Claude), Model C Result (Gemini)
- Save Results (Google Sheets): append
Services it uses
Before you upgrade to n8n 3.0
We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).
- Check that @cometapi-dev/n8n-nodes-cometapi is verified or supports 3.0 (used in Write content using GPT, Write content using Claude, Write content using Gemini).
Nodes used (5)
- Google Sheets
n8n-nodes-base.googleSheets - n8n Form Trigger
n8n-nodes-base.formTrigger - Edit Fields (Set)
n8n-nodes-base.set - Comet Api
@cometapi-dev/n8n-nodes-cometapi.cometApi - Merge
n8n-nodes-base.merge
From the author
Quick Overview This workflow collects a topic and content type from an n8n Form, generates three variations of the content in parallel using CometAPI-backed GPT, Claude, and Gemini models, then logs the outputs with a timestamp to Google Sheets. How it works…