In the previous two parts, we built a strong foundation of LangGraph fundamentals—nodes, edges, message states, conditional routing, reducers, summarization loops, and graph orchestration.
Street Learner
05 Feb 2025
In Part-1 of this LangGraph Blog Series, we understood the foundation of LangGraph — Graph structure, Nodes, Edges, Conditional Routing, State system, and Graph Execution. Now in Part-2, we upgrade our knowledge and turn LangGraph into a real conversation system.
Street Learner
02 Feb 2025
In this tutorial, we’ll build a Retrieval-Augmented Generation (RAG) chatbot for a customer support knowledge base. This bot will be able to answer queries using company manuals, FAQs, and guides. We will go from document ingestion → splitting → embeddings → vectorstore → retrieval → generation, step by step.
Street Learner
28 Jan 2025
Large Language Models (LLMs) like GPT-4 are powerful, but they suffer from three fundamental limitations: They do not know your private or latest data – an LLM cannot answer questions about your PDFs, internal documents, or databases unless that information is explicitly provided at runtime. They hallucinate – when an LLM is unsure, it may confidently generate incorrect information. They lack traceability – answers are not grounded in verifiable sources. Retrieval-Augmented Generation (RAG) is the architectural pattern designed to solve these problems
Street Learner
27 Jan 2025
LangChain Expression Language (LCEL) is one of the most powerful and elegant additions to LangChain. It allows developers to build clean, composable, readable, and production-ready AI pipelines using a simple pipe (|) syntax.
Street Learner
26 Jan 2025
In the age of AI, chatbots have evolved from simple rule-based systems to sophisticated conversational agents powered by Large Language Models (LLMs). With OpenAI’s GPT models and the LangChain framework, building chatbots that can handle nuanced conversations, remember context, and output structured responses has never been easier. In this blog, we’ll explore step-by-step how to leverage LangChain and OpenAI to create advanced chatbots.
Street Learner
26 Jan 2025