What is RAG & Vector Search?

Retrieval-augmented generation, vector databases, embeddings and semantic search

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What are the best RAG & Vector Search tutorials?

DeepCamp curates the best RAG & Vector Search tutorials from top YouTube educators. You can filter by level (beginner, intermediate, advanced) and duration to find the right fit.

RAG & Vector Search Lessons — Free Learning

Medium · Programming 🔍 RAG & Vector Search ⚡ AI Lesson 2h ago

Why you shouldn’t search your documents directly with AI

Everyone’s first retrieval-augmented system looks the same: chop the documents into pieces, turn each piece into a vector, search the… Continue reading on Mediu

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 10h ago

Your AI Keeps Making Things Up. RAG Is How You Make It Use Real Facts Instead.

You ask an AI a question about your own company’s policy, and it answers — confidently, fluently, and completely wrong. It invented a… Continue reading on Mediu

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 20h ago

Evaluation Metrics for RAG: Measure Retrieval, Generation, and End-to-End Quality With Numbers That…

Last week we compressed retrieved chunks so the model receives only the sentences that matter. Continue reading on Operations Research Bit »

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 20h ago

Evaluation Metrics for RAG: Measure Retrieval, Generation, and End-to-End Quality With Numbers That…

Last week we compressed retrieved chunks so the model receives only the sentences that matter. Continue reading on Operations Research Bit »

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two

I tested HyDE Retrieval vs Standard vector search on semantic, proprietary, and keyword queries. HyDE won one and quietly made 2 worse. Continue reading on Towa

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two

I tested HyDE Retrieval vs Standard vector search on semantic, proprietary, and keyword queries. HyDE won one and quietly made 2 worse. Continue reading on Towa

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

When Does HyDE Help RAG? I Tested 3 Query Types and It Failed on Two

I tested HyDE Retrieval vs Standard vector search on semantic, proprietary, and keyword queries. HyDE won one and quietly made 2 worse. Continue reading on Towa

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

The Difference Between RAG, Agents, and Tool Calling — Proven With One Order Cancellation

Let’s Skip the Flowchart Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1d ago

Vector Store Operations: What Keeps RAG Retrieval Correct in Production

Index lifecycle management, embedding refresh, tenant isolation, hybrid retrieval, and metadata controls for production RAG systems. Continue reading on Medium

Dev.to · Yash Sonawane 🔍 RAG & Vector Search ⚡ AI Lesson 2d ago

RAG Is Dead. Context Engineering Is the Future.

For the last year, everyone has been talking about one architecture. RAG. Retrieval-Augmented...

Dev.to · Hiroki Kameyama 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago

Building a RAG System from Scratch — MCP: Exposing pgvector as a Reusable Tool Server

In the previous article, we built AI Agents that autonomously search our pgvector database. One...

Dev.to · Hiroki Kameyama 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago

Building a RAG System from Scratch with pgvector and Gemini — Implementation

In the previous article, we covered the three core concepts behind RAG. Now let's build it. By the...

Dev.to · Aditya Raut 🔍 RAG & Vector Search ⚡ AI Lesson 3d ago

I Got Tired of Debugging Haystack RAG Pipelines Blind, So I Built a Diagnostics Engine

RAG pipelines fail in quiet ways. Retrieval drops. Documents go missing. Metadata gets corrupted...

Dev.to · Sonam 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago

Build a Simple RAG App with Telnyx AI Inference

RAG is one of those patterns that sounds more complicated than it has to be. At its core,...

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 4d ago

10 GenAI Techniques for Integrating a RAG Pipeline with Enterprise Data Warehouses

Practical GenAI patterns for connecting RAG systems with enterprise-scale data platforms Continue reading on Medium »

Dev.to · Saurabh "Rob" Dahal 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

I Let My AI Agent Build a Bedrock RAG Knowledge Base, Here Are the 2 Mistakes the AWS Agent Toolkit Caught

Provisioning a Bedrock RAG knowledge base with S3 Vectors, without the hallucinated API calls. If...

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

The New Era of Retrieval: Evaluating Vectorless RAG and Pipeline Resilience

As AI architectures move beyond embedding-based search, the battleground shifts from optimization to data integrity. Here is how to defend… Continue reading on

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 5d ago

The 5 RAG Architectures and Exactly When to Use Each One in Production

A deep, practical breakdown of every retrieval pattern worth knowing, with LangGraph and LlamaIndex. Continue reading on Towards AI »

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Retrieval Is Filtering, Not Search: A Mental Model for Enterprise RAG

Enterprise Document Intelligence [Vol.1 #7A] - Stop searching strings. Filter line_df and toc_df. Pick anchors small, expand context large The post Retrieval Is

Dev.to · Santanu Mohanta 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

I added a reranker to my RAG pipeline — it broke everything, then I fixed it

In v2 I added hybrid retrieval (FAISS + BM25) to fix keyword blindspots. All 19 test questions...

Dev.to · Lois-Kleinner 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

I built research - Document 04 ? RAG and Knowledge Retrieval in 2 months. Zero cloud. Zero compromise.

**research - Document 04 ? RAG and Knowledge Retrieval** --- ## The Problem This document presents the design and evaluation of the Retrieval-Augmented Generati

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

When RAG Users Ask Vague Questions: Clarify Once, Learn the Default

Enterprise Document Intelligence [Vol.1 #6bis] - Ask one focused clarification, learn the default from the answer, stay silent next time The post When RAG Users

Dev.to · surajrkhonde 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Phase 1: Document Ingestion - The Hidden Complexity Before Embeddings

The Complete Story: Why Most RAG Systems Fail Before They Start The Story...

Towards Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Reconstructing the Table of Contents a PDF Forgot to Ship, So RAG Can Scope by Section

Enterprise Document Intelligence [Vol.1 #5septies] - When a PDF prints a contents page but exposes no outline, two ways to turn it back into structure, plus the

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Your RAG Pipeline Is Bleeding Memory — TurboVec Might Be the Fix

How a Rust-based open-source project built on Google Research’s TurboQuant is making vector search faster, smaller, and fully local Continue reading on Medium »

Dev.to · Vishwajeet Kondi 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Knowledge Graphs: The Missing Piece in Most RAG Systems

If you've been exploring AI agents recently, chances are you've come across RAG (Retrieval-Augmented...

Dev.to · zhongqiyue 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

I built a code Q&A bot with RAG – what worked and what failed

A few months ago, our team had a problem: every new developer spent days digging through scattered...

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

RAG

Retrieval-Augmented Generation (RAG) confused me at first. Once I learned the concept, I realized the core idea is simple, even if the… Continue reading on Medi

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

I Spent $500 on RAG Infrastructure Before Realizing These 7 Mistakes Were Killing My Results

I Spent $500 on RAG Infrastructure Before Realizing These 7 Mistakes Were Killing My Results I built a RAG pipeline for private document search. It cost me $500

Dev.to · DatanestDigital 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Choosing a Vector Database in 2026: pgvector vs Pinecone vs Qdrant vs Weaviate

A practical comparison of the main vector database options for RAG and semantic search — pgvector, Pinecone, Qdrant, and Weaviate — with the trade-offs that act

Dev.to · surajrkhonde 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

RAG Pipeline: The Uncle-Nephew Complete Learning Guide

How to Build Systems That Actually Know Your Data (Not Hallucinate About It) ...

Dev.to · xu xu 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

How Japan’s Research Labs Are Building RAG Systems That Actually Work — And What Western Teams Keep Getting Wrong

Your vector database is returning relevant chunks. Your embedding model scores 0.89 on retrieval...

Dev.to AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Amazon Bedrock AgentCore Web Search: Why RAG Agents Fail and How to Ship Live-Grounded Agents

Originally published at twarx.com - read the full interactive version there. Last Updated: June 20, 2026 Every RAG pipeline your team shipped in 2023 is silentl

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Everyone Keeps Declaring RAG Dead and It Keeps Showing Up to Its Own Funeral

There’s a genre of AI hot take that resurfaces every few months like clockwork: “RAG is dead.” I’ve seen this headline written, in some… Continue reading on Med

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

RAG (Retrieval-Augmented Generation) Nedir? “Açık Kitap Sınavına Giren Yapay Zeka”

Üniversitede beni hem şaşırtan hem çok rahatlatan bir sistemle karşılaşmıştım. Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Is ChromaDB Silently Killing Your RAG Accuracy?

You’ve probably seen a dozen “vector database comparison” articles by now. Most of them compare managed cloud services on someone else’s… Continue reading on Me

Medium · Python 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Is ChromaDB Silently Killing Your RAG Accuracy?

You’ve probably seen a dozen “vector database comparison” articles by now. Most of them compare managed cloud services on someone else’s… Continue reading on Me

Dev.to · mofuteq 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Your RAG Retrieved the Right Documents but Still Gave the Wrong Answer

Your retriever returned the right documents. The similarity scores look fine. The answer is still...

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Building a RAG Pipeline from Scratch: WorldWar-II Edition

Or: How I taught an LLM to read Wikipedia and answer questions without hallucinating Continue reading on Medium »

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Scaling RAG Applications in Production: Lessons Beyond the Demo

Retrieval-Augmented Generation (RAG) has become one of the most popular patterns for building AI applications. A typical RAG pipeline… Continue reading on Mediu

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

The RAG Interview Questions Nobody Prepares For (Until It’s Too Late)

Everyone can define retrieval-augmented generation. Far fewer can survive the second question. Here’s the map I built after watching too… Continue reading on Me

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

From Scratch to Agentic: A Hands-On Journey Through Applied RAG Systems

In the rapidly evolving world of Generative AI, the “Hello World” phase is officially over. Developers are no longer satisfied with basic… Continue reading on M

Medium · NLP 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

RAG Without the Hype: What Retrieval-Augmented Generation Actually Takes to Work in Production

Chunking, embedding, and retrieval each have failure modes that the tutorials skip. Continue reading on Medium »

Medium · AI 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Demystifying RAG in Telecom: A Deep Dive into Graph, Vector, and Hybrid Pipelines for O-RAN

There is no one-size-fits-all “best” RAG pipeline for O-RAN; the ideal architecture depends entirely on your specific operational… Continue reading on Medium »

Medium · Data Science 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Why Your RAG Pipeline Will Break

I Tested RAG at 10 Million Documents. Here’s What Nobody Tells You About Scale. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Stop Stuffing the Prompt: The Next RAG Debate Is Whether AI Should Search or Think

For the last few years, the default fix for a shaky AI answer has been simple: give the model more context. Continue reading on Medium »

Medium · RAG 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

My RAG Said We’re Compatible, So I Went on This Date

It was drizzling steadily one afternoon, and I was dipping my feet in a puddle on my balcony while tapping furiously to a nice gentleman… Continue reading on Me

Medium · Machine Learning 🔍 RAG & Vector Search ⚡ AI Lesson 1w ago

Fixed-Size Chunking Is Killing Your RAG App. Here’s What Actually Works.

You asked your RAG app a question last week, got an answer that sounded confident and polished, and only later realized it was wrong in a… Continue reading on M