Templates / Automate research-based newsletters with Perplexity, GPT-4, and image generation

Automate research-based newsletters with Perplexity, GPT-4, and image generation

Needs changes

by Tianyi ✓ · 920 views · created 2025-05-04 · Social Media, Multimodal AI

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 17 nodes and runs on a schedule (every day). Along the way it connects OpenAI Chat Model, Google Cloud Storage, Google Sheets and Gmail and 1 more.

How it runs

Trigger: On a schedule (every day).

  1. GetNewsletterTopic (Google Sheets): uses Google Sheets
  2. GetFirstTopic (Limit): keeps the first few items
  3. UpdateStatus (Google Sheets): uses Google Sheets
  4. Input (Edit Fields (Set)): sets or maps fields
  5. AI Agent: runs an AI agent, with model: OpenAI Chat Model; 1 tool (Perplexity Search); output parser: Structured Output Parser
  6. GPT Image Generation (HTTP Request): calls an HTTP API
  7. Convert to Binary File (Convert to File): converts data to a file
  8. GetClientList (Google Sheets): uses Google Sheets
  9. Google Cloud Storage: uses Google Cloud Storage
  10. Merge: merges the data from its input branches

…plus 3 more steps. See the full node list below.

Services it uses

OpenAI Chat ModelGoogle Cloud StorageGoogle SheetsGmailHTTP Request

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in AI Agent (v1.9): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
Removed in 3.0Replace with
AI Agent v1 (old agent modes)
AI Agent (v1.9)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (13)

From the author

This n8n workflow automates the process of creating and sending high-quality newsletters with images generated by a GPT image generator. It is triggered on a schedule. What is included? - 1 n8n workflow (json) - 1 Setup tutorial doc - 1 video guidance on how…

Excerpt from Tianyi's description on n8n.io.

View the original on n8n.io → Check your own copy

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