langchai

Hands-on beginner-friendly Generative AI projects covering Prompt Engineering, LLM APIs, Embeddings, RAG, Vector Databases, and AI Agents. Learn Gen AI by building real-world projects.

DocBot - Talk with your Documents

Describe an agent, get a model recommendation, and run an agentic RAG workflow (LangGraph + hybrid BM25/vector retrieval + caching + tracing) with the full architecture visualized — in a Streamlit UI.

⚡ Short-term memory for AI agents — captures coding context in real time.

A modular LangChain project demonstrating integrations with OpenAI, Gemini, Anthropic Claude, and Hugging Face LLMs.

Full Stack AI-Powered Expense Tracker built with React, FastAPI, MongoDB, JWT Authentication, LangChain, and Mistral AI. Users can securely manage expenses while leveraging an AI financial assistant for spending analysis, personalized insights, savings recommendations, and natural language financial queries.

🔬 Autonomous research agent that breaks down questions, searches the web, self-critiques, and returns cited reports. Built with LangGraph · Groq · Tavily · FastAPI · Streamlit · AWS Lambda