Create curated newsletters from Reddit discussions with GPT-4o Mini and Gmail
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 17 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Reddit, OpenAI and Gmail.
How it runs
Trigger: Manually, when you click “Execute workflow”.
- Get many posts (Reddit): get many
- Select Top 10 Post (Code): runs custom JavaScript code
- Set topic of interest (Edit Fields (Set)): sets 2 fields: topic, post
- filter topic of interest (OpenAI): uses OpenAI
- String to Json (Code): runs custom JavaScript code
- If: checks a condition and branches into true / false
- Loop Over Items (Loop Over Items (Split in Batches)): loops over the items in batches
- merge summaries (Code): runs custom JavaScript code
- post (Edit Fields (Set)): sets 1 field: post
- create newsletter (OpenAI): uses OpenAI
…plus 6 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Manual Trigger
n8n-nodes-base.manualTrigger - Reddit
n8n-nodes-base.reddit - Edit Fields (Set)
n8n-nodes-base.set - Loop Over Items (Split in Batches)
n8n-nodes-base.splitInBatches - Merge
n8n-nodes-base.merge - Code
n8n-nodes-base.code - OpenAI
@n8n/n8n-nodes-langchain.openAi - Gmail
n8n-nodes-base.gmail - If
n8n-nodes-base.if
From the author
📰 Reddit to Newsletter (Automated Curation with Open AI 4o Mini ) Turn the best posts from a subreddit into a ready-to-send HTML newsletter — no copy-pasting, no wasted time. This workflow fetches new posts, filters by topic of interest, analyzes comments,…