Working with Language Models

Understanding How Language Models Work in LangChain

Large Language Models (LLMs) are the engines behind modern AI applications. Whether you're building a chatbot, a document assistant, or an AI-powered workflow, you'll spend most of your time interacting with language models.

But not all models work the …

From prompt experiments to production-ready AI systems — here's what LangChain actually is, what it isn't, and why it matters.

Why LangChain Exists

Large Language Models are impressive — but raw LLM API access is not an application. Out of the box, an LLM can generate text, answer questions, and follow instructions …