AI-Powered YouTube Video Summarization with LangChain
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Effortlessly summarize YouTube videos and generate insightful Q&A pairs using this n8n workflow. It skillfully combines SearchAPI.io for transcript extraction with the power of LangChain and OpenAI's GPT models to distill lengthy video content into concise, actionable insights.
About This Workflow
This powerful n8n workflow demonstrates the seamless integration of custom LangChain code to automate the summarization of YouTube videos. Starting with a specified video ID, it utilizes SearchAPI.io to fetch the video transcript. This transcript is then fed into a LangChain summarization chain, leveraging an OpenAI chat model (GPT-4o-mini). The workflow doesn't just provide a summary; it also intelligently generates specific example questions and answers derived directly from the video content, making it an indispensable tool for quick content analysis and learning.
Key Features
- Automated YouTube Video Summarization: Quickly generate concise summaries of any YouTube video.
- Intelligent Q&A Generation: Automatically produces specific questions and answers based on the video's content, aiding comprehension.
- Advanced LangChain Integration: Showcases how to embed and execute complex LangChain logic directly within n8n workflows.
- Flexible LLM Support: Utilizes OpenAI's
gpt-4o-minimodel, easily swappable with other compatible LLMs. - Transcript Extraction via SearchAPI.io: Reliably pulls video transcripts for accurate processing.
How To Use
- Get a SearchAPI.io API Key: Sign up for an account at searchapi.io and obtain your API key.
- Insert API Key: In the "LangChain Code" node, replace
<YOUR API KEY>with your actual SearchAPI.io API key. - Configure OpenAI Credentials: Ensure you have an active OpenAI API credential set up in n8n, connected to the "OpenAI Chat Model" node.
- Set YouTube Video ID: In the "Set YouTube video ID" node, replace the default
OsMVtuuwOXcwith the ID of the YouTube video you wish to summarize. - Execute Workflow: Click "Execute Workflow" to run the automation and receive your video summary and Q&A.
Apps Used
Workflow JSON
{
"id": "e8b95d1e-7623-4162-ad31-139b15d3fa51",
"name": "AI-Powered YouTube Video Summarization with LangChain",
"nodes": 21,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: e8b95d1e-7623...
About the Author
Crypto_Watcher
Web3 Developer
Automated trading bots and blockchain monitoring workflows.
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