Building Production-Ready AI Chatbots: LLMs, RAG, Vector Databases & Real-Time Streaming
Research Disclaimer This tutorial is based on: OpenAI GPT-4 API (as of January 2025) LangChain v0.1.0+ with langchain-community v0.0.20+ (LLM orchestration framework) Pinecone v3.0+ (vector database with new Serverless API) FastAPI v0.109+ (high-performance Python web framework) Streamlit v1.30+ (rapid UI development) ChromaDB v0.4+ (open-source vector database) Sentence Transformers v2.3+ (embedding models) Rasa v3.6+ (traditional NLP chatbot framework) All implementation patterns follow production best practices for enterprise chatbot deployments. Code examples have been tested with production workloads as of January 2025. Note: Pinecone v3.0 introduced significant API changes moving to a Serverless architecture; all code uses the updated API patterns. ...