🔗 Rag-YouTube-GenAi Application🌐

🎬 RAG-Gemini YouTube ChatBot

An interactive chatbot built with LangChain and Google Gemini, allowing you to chat with YouTube videos using their transcript!

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🚀 Features

• 🔗 Paste any YouTube link and start chatting with the video content
• 🧠 Uses Gemini Flash (gemini-2.0-flash-exp) for fast and coherent answers
• 📚 RAG pipeline using:
  • youtube-transcript-api for fetching transcripts
  • RecursiveCharacterTextSplitter for chunking
  • FAISS with MMR for semantic retrieval
• 💡 Custom prompts and conversational memory
• 🌈 Modern glowing UI using Streamlit custom CSS

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🛠 Tech Stack

Tool	Purpose
Streamlit	Frontend UI
LangChain	RAG + Memory Pipeline
Google Generative AI	Answer Generation
FAISS	Vector storage + retrieval
youtube-transcript-api	Transcript fetching

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📦 Installation

git clone https://github.com/yourusername/yt-chatbot-rag_genai
cd yt-chatbot-rag_genai

# Install dependencies
pip install -r requirements.txt

# Run the app
streamlit run app.py

api_key = "YOUR_API_KEY"

🙌 Credits
LangChain

Google Generative AI SDK

YouTube Transcript API

🧠 Tech Stack

• LangChain – Document processing, chains, and memory management
• FAISS – Facebook AI Similarity Search vector database for storing embeddings
• Google Gemini – LLM inference via ChatGoogleGenerativeAI
• GoogleGenrativeAIEmbeddings – Text embeddings using Gemini Embeddings
• Streamlit – Frontend UI framework for interactive applications
• YoutubLoader & YputubeAPITranscript – YT video transcript extraction