Summarize YouTube videos with GPT-4o-mini and Apify transcripts

This workflow contains community nodes that are only compatible with the self-hosted version of n8n.

This workflow automates summarizing YouTube videos by accepting a YouTube URL via a form, fetching the video transcript using Apify, and then generating a concise summary with OpenAI GPT.

Setup Instructions Prerequisites: - Apify account with access to the YouTube Transcript actor. - OpenAI API key (for GPT-4o-mini model). - n8n instance with the Apify and OpenAI credentials configured.

Configuration Steps Apify Setup: - Configure Apify API credentials in the Apify node. - Ensure the YouTube Transcript actor ID (1s7eXiaukVuOr4Ueg) is correct.

OpenAI Setup: - Add your OpenAI API key in the OpenAI Chat Model node. - Confirm model selection is set to gpt-4o-mini.

Customization - Modify form field to accept additional inputs if needed. - Adjust Apify actor input JSON in the Payload node for extra metadata extraction. - Customize the summarization options to tweak summary length or style. - Change OpenAI prompt or model parameters in the OpenAI Chat Model node for different output quality or tone.

Steps 1. On Form Submission - Node: Form Trigger - Purpose: Collect the YouTube video URL from the user via a web form. 2. Prepare Payload - Node: Set - Purpose: Format the YouTube URL and options into the JSON payload for Apify input. 3. Fetch Transcript - Node: Apify - Purpose: Run the YouTube Transcript actor to retrieve video captions and metadata. 4. Extract Captions - Purpose: Isolate the captions field from the Apify response for processing. 5. Summarize Transcript - Purpose: Generate a concise summary of the video captions.