LangChain Questions 5 total
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1What are LangChain agents and how do they differ from chains?
**LangChain Chains:**
- Fixed, predefined sequence of steps
- The flow is hardcoded by the developer
- Deterministic — same input → same...
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2What is a vector database and why is it used in AI applications?
A vector database stores data as high-dimensional vectors (embeddings) and enables fast similarity search.
**Why it's needed:**
LLMs unders...
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3How to build a RAG chatbot with LangChain and Python?
Here is a simple RAG chatbot using LangChain:
```python
from langchain_openai import ChatOpenAI, OpenAIEmbeddings
from langchain_community....
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4What is LangChain and why is it used?
LangChain is a framework for building applications with Large Language Models (LLMs).
It provides:
- **Chains** — link multiple LLM calls...
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5How does RAG (Retrieval Augmented Generation) work in LangChain?
I am learning LangChain and trying to understand how RAG works. Can someone explain the concept with a simple example? I want to build a cha...
