Flow from Reddit to Gmail with Key Features and GPT-4o Mini Usage

What it does

Automatically monitors multiple subreddits daily, identifies trending posts with high engagement, and delivers AI-powered summaries directly to your inbox. Never miss important discussions in your favorite communities again.

Perfect for

Investors tracking market sentiment, researchers monitoring industry discussions, content creators finding trending topics, or anyone wanting curated Reddit insights without endless scrolling.

Apps used

Reddit, OpenRouter (GPT-4o mini), Gmail

How it works

1. Triggers daily at your chosen time across all specified subreddits
2. Fetches hot posts from the last 24 hours with scores above 30 upvotes
3. Sorts posts by engagement score to prioritize trending content
4. Extracts post content plus top-level comments for full context
5. Generates concise AI summaries for each high-value thread
6. Compiles summaries into a clean HTML email digest
7. Delivers the digest to your Gmail inbox with clickable Reddit links

Setup

Configure these three essential settings:

• Schedule time: Set your preferred daily delivery time in the Schedule Trigger node. Replace with your preferred hour (currently 6 AM). Note: Times display in your workflow timezone
• Topic and subreddits: In the "Set Topic, Subreddits and Email Address" node, replace with your topic name (e.g., "Investing") and replace with your subreddit array (e.g., ["investing", "stocks"])
• Email recipient: Replace with your Gmail address in the same node

Credentials

Reddit OAuth2 for API access, OpenRouter API key for AI summaries, Gmail OAuth2 for email delivery

If you have any questions in running the workflow, feel free to reach out to me at my youtube channel: https://www.youtube.com/@lifeofhunyao