All About AI

 
AI models
1.opanai(chatcpt)
2.Anthropic(claude)
3.google(gemini)
4.Llama(open-source)
5.Deepseek
we can use browser to access these   > to test prompt
We can use APIs to access these models > to build Apps

Gen AI Framwork (chain,flow,pipeline of components)
1.Langchain
2.LlamaIndex
3.haystack
Building a chain = connecting steps into a pipeline
Type of chains
Simple chain → prompt + LLM
RAG chain → retriever + prompt + LLM
Agent chain → tools + reasoning + LLM
Agentic AI framwork 
1.CrewAI 
2.autogen
3.metaGPT
RAG
RAG sits between your app/agent and the LLM
User
 ↓
Agent / App Logic
 ↓
RAG (data retrieval layer)
 ↓
LLM (reasoning)
 ↓
Response