Core AI

RAG & Vector Search

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

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Chunk documents with LangChain or LlamaIndex

Set up Pinecone, Weaviate, or pgvector

Run RAGAS evaluation on a RAG pipeline

Build a hybrid BM25 + dense retrieval pipeline

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All Reads (683) Articles (194)Blog Posts (418)Tutorials (69)Research Papers (2)

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What Is a Vector Database? A Practical Deep Dive with Milvus

Dev.to · Chintan Soni 🔍 RAG & Vector Search 5mo ago

What Is a Vector Database? A Practical Deep Dive with Milvus

Vector databases have become a foundational component of modern AI systems — yet many developers...

How I Built an Offline-First RAG System That’s 10x Faster (at 19)

Dev.to · Mounesh Kodi 🔍 RAG & Vector Search 5mo ago

How I Built an Offline-First RAG System That’s 10x Faster (at 19)

A technical deep-dive into IntraMind - how I built a production RAG system with 60% context...

Building a Medical-Grade Knowledge Graph: Mapping Drug Interactions with Neo4j and LlamaIndex 🩺💻

Dev.to · Beck_Moulton 🔍 RAG & Vector Search 5mo ago

Building a Medical-Grade Knowledge Graph: Mapping Drug Interactions with Neo4j and LlamaIndex 🩺💻

Ever tried asking a standard RAG (Retrieval-Augmented Generation) pipeline if "Drug A interferes with...

When Search Understands You: Semantic Search and RAG Chatbots with OpenSearch

Dev.to · ismail kattan 🔍 RAG & Vector Search 5mo ago

When Search Understands You: Semantic Search and RAG Chatbots with OpenSearch

Introduction This project is a Flask-based note management system that goes beyond...

Dev.to · MR.SANDIP 🔍 RAG & Vector Search 5mo ago

32+ Civil Engineer Big Data & RAG Project | Which IT roles actually fit my profile?

Hi everyone, I’m 32+, with +5 years of civil engineering experience (site execution, planning)....

Building Production-Ready RAG in FastAPI with Vector Databases

Dev.to · Lukas Hamm 🔍 RAG & Vector Search 5mo ago

Building Production-Ready RAG in FastAPI with Vector Databases

From Prompting to Production-Ready RAG Retrieval-Augmented Generation (RAG) is often...

Embedding JVM in Rust

Dev.to · Ivan Yurchenko 🔍 RAG & Vector Search 5mo ago

Embedding JVM in Rust

Embedding Java virtual machine (JVM) directly into Rust programs with the `jni` crate.

Why “Lost in the Middle” Breaks Most RAG Systems

Dev.to · Parth Sarthi Sharma 🔍 RAG & Vector Search 5mo ago

Why “Lost in the Middle” Breaks Most RAG Systems

If you’ve built a RAG system, you’ve probably seen this: The retriever finds the right document The...

I Built a Multilingual Vector Search Engine in Go for $0 (without OpenAI)

Dev.to · Martin 🔍 RAG & Vector Search 5mo ago

I Built a Multilingual Vector Search Engine in Go for $0 (without OpenAI)

The standard advice for building semantic search in 2025 is boring: "Just send it to OpenAI." You...

RAG & Vector Databases - Efficient Retrieval Explained

Dev.to · Hemanath Kumar J 🔍 RAG & Vector Search 5mo ago

RAG & Vector Databases - Efficient Retrieval Explained

RAG & Vector Databases - Efficient Retrieval Explained Introduction In...

Vectors vs. Keywords: Why "Close Enough" is Dangerous in MedTech RAG

Dev.to · Beck_Moulton 🔍 RAG & Vector Search 6mo ago

Vectors vs. Keywords: Why "Close Enough" is Dangerous in MedTech RAG

Hey everyone! 👋 So, we need to talk about Vector Databases. If you’ve been on Dev.to (or anywhere on...

Build Your Own Spaceport: Local RAG Evaluation with Meta CRAG

Dev.to · astronaut 🔍 RAG & Vector Search 6mo ago

Build Your Own Spaceport: Local RAG Evaluation with Meta CRAG

Want to skip the theory and launch a local RAG benchmark in Docker right now? Check out the repo ...

I Built a Personalized AI Tutor Using RAG – Here's How It Actually Works (And the Code)

Dev.to · Emmimal P Alexander 🔍 RAG & Vector Search 6mo ago

I Built a Personalized AI Tutor Using RAG – Here's How It Actually Works (And the Code)

I've been playing around with RAG setups for a while now, mostly for fun projects like chatbots that...

🕸️ Stop Building "Dumb" RAG: Why Vectors Are Not Enough (The GraphRAG Shift)

Dev.to · Siddhesh Surve 🔍 RAG & Vector Search 6mo ago

🕸️ Stop Building "Dumb" RAG: Why Vectors Are Not Enough (The GraphRAG Shift)

The "Vector Database" hype train has officially hit a wall. If you are still dumping raw text...

Como Criar um Chatbot com RAG do Zero: Guia Prático com OpenAI e Qdrant

Dev.to · Alberto Luiz Souza 🔍 RAG & Vector Search 6mo ago

Como Criar um Chatbot com RAG do Zero: Guia Prático com OpenAI e Qdrant

Disclaimer Este texto foi inicialmente concebido pela IA Generativa em função da...

I Built a PDF Chat App in Under an Hour Using RAG- Here's How You Can Too

Dev.to · Mohammad Ali Abdul Wahed 🔍 RAG & Vector Search 6mo ago

I Built a PDF Chat App in Under an Hour Using RAG- Here's How You Can Too

🔗 Live Demo: https://pdf-chat-rag-fx5nczbrwczzpou6qyczmj.streamlit.app/ 📦 GitHub...

I Built an Offline-First Semantic Search Engine in JavaScript

Dev.to · Aavash Baral 🔍 RAG & Vector Search 6mo ago

I Built an Offline-First Semantic Search Engine in JavaScript

I Built an Offline-First Semantic Search Engine in JavaScript Search is deceptively...

Dense vs Sparse Vector Stores: Which One Should You Use — and When?

Dev.to · Parth Sarthi Sharma 🔍 RAG & Vector Search 6mo ago

Dense vs Sparse Vector Stores: Which One Should You Use — and When?

When building RAG systems or search pipelines, one of the earliest (and most misunderstood)...

Why I Built a Pure Python Library for Legacy Office Files (And Why RAG Pipelines Need One)

Dev.to · Tobias Horsmann 🔍 RAG & Vector Search 6mo ago

Why I Built a Pure Python Library for Legacy Office Files (And Why RAG Pipelines Need One)

Why I Built a Pure Python Library for Legacy Office Files (And Why RAG Pipelines Need...

VectorDatabase Showdown 2025: Pinecone vs Qdrant vs Weaviate con Benchmarks Reales

Dev.to · Abdessamad Ammi 🔍 RAG & Vector Search 6mo ago

VectorDatabase Showdown 2025: Pinecone vs Qdrant vs Weaviate con Benchmarks Reales

Publicado originalmente en bcloud.consulting TL;DR Mercado vector DB: 1.5B a 4.3B en...

Blazor AutoComplete That Actually Scales: From 10 Items to 100K (with AI Superpowers)

Dev.to · Mashrul Haque 🔍 RAG & Vector Search 6mo ago

Blazor AutoComplete That Actually Scales: From 10 Items to 100K (with AI Superpowers)

A high-performance Blazor AutoComplete and typeahead component with AI semantic search, 8 display...

RAG Evaluation Metrics: Measuring What Actually Matters

Dev.to · Vinicius Fagundes 🔍 RAG & Vector Search 6mo ago

RAG Evaluation Metrics: Measuring What Actually Matters

Quick Reference: Terms You'll Encounter Technical Acronyms: RAG: Retrieval-Augmented...

Enterprise RAG Architecture: A Complete Technical Guide by AgenixHub

Dev.to · Shubham 🔍 RAG & Vector Search 6mo ago

Enterprise RAG Architecture: A Complete Technical Guide by AgenixHub

Introduction Enterprise RAG (Retrieval-Augmented Generation) is an architecture that...

Por Qué el 83% de Herramientas de Detección de Alucinaciones RAG Fallan en Producción

Dev.to · Abdessamad Ammi 🔍 RAG & Vector Search 6mo ago

Por Qué el 83% de Herramientas de Detección de Alucinaciones RAG Fallan en Producción

Publicado originalmente en bcloud.consulting TL;DR • 83% de herramientas de detección...

RAG vs Document Injection: Why Your AI Document Chat Needs Smart Retrieval

Dev.to · Teemu Virta 🔍 RAG & Vector Search 6mo ago

RAG vs Document Injection: Why Your AI Document Chat Needs Smart Retrieval

Have you ever wanted to chat with your PDF files using AI? The simplest way is to load all your...

Implementing Semantic Search with pgvector + OpenAI Embeddings

Dev.to · pipipi-dev 🔍 RAG & Vector Search 6mo ago

Implementing Semantic Search with pgvector + OpenAI Embeddings

This is Day 17 of the **[and and and and and and and and and and Solo SaaS Development Advent Calendar 2025](https://adventar.org/calendars/12615)**....

IVFFlat Indexing in pgvector

Dev.to · AJAYA SHRESTHA 🔍 RAG & Vector Search 6mo ago

IVFFlat Indexing in pgvector

Vector databases and AI-powered applications continue to grow rapidly, and PostgreSQL has joined the...

STOP GUESSING: The Observability Stack I Built to Debug My Failing AI Agents

Dev.to · NorthernDev 🔍 RAG & Vector Search 6mo ago

STOP GUESSING: The Observability Stack I Built to Debug My Failing AI Agents

The RAG pipeline is a black box. I got tired of guessing why my bot retrieved the wrong context, so I...

Our RAG system still failed on hierarchical metrics — Part 2

Dev.to · JunYoungMoon 🔍 RAG & Vector Search 6mo ago

Our RAG system still failed on hierarchical metrics — Part 2

How I Built a RAG System That Actually Understands Business Metrics (Part 2: Hierarchical...

Building a Simple RAG System Using FAISS

Dev.to · Yogana Vinoth 🔍 RAG & Vector Search 6mo ago

Building a Simple RAG System Using FAISS

📚 Table of Contents What is RAG and Why It Matters High-Level Architecture of a RAG System Tech...

RAG with MongoDB Vector Search PART 1

Dev.to · Davi Orlandi 🔍 RAG & Vector Search 6mo ago

RAG with MongoDB Vector Search PART 1

What is RAG? Retrieval-augmented generation (RAG) is a technique that enables large...

Offline RAG in Modern C++: Secure Semantic Pipelines Without the Cloud

Dev.to · Krzysztof Nowicki 🔍 RAG & Vector Search 6mo ago

Offline RAG in Modern C++: Secure Semantic Pipelines Without the Cloud

When you're dealing with confidential data — PII, medical records, trade secrets, or internal...

I Built a TUI to Visualize RAG Chunking because chunk_size=1000 is a Lie 📉

Dev.to · Muhammed Rasin O M 🔍 RAG & Vector Search 6mo ago

I Built a TUI to Visualize RAG Chunking because chunk_size=1000 is a Lie 📉

Let’s be honest for a second. When you are building a RAG (Retrieval-Augmented Generation) pipeline,...

You Don’t Need RAG to Build a Domain Sentiment Engine — A Single LLM + JSON Works

Dev.to · yuer 🔍 RAG & Vector Search 6mo ago

You Don’t Need RAG to Build a Domain Sentiment Engine — A Single LLM + JSON Works

We often assume that any domain-specific NLP system needs a full RAG stack — embeddings, vector DBs,...

Implementing Semantic Anomaly Detection with OpenTelemetry and Redis

Dev.to · Ricardo Ferreira 🔍 RAG & Vector Search 6mo ago

Implementing Semantic Anomaly Detection with OpenTelemetry and Redis

Detecting Anomalies in OpenTelemetry Logs Using Vector Embeddings and Redis ...

Signal-driven health monitoring for HNSW indices w/ pgvector

Dev.to · Jake Casto 🔍 RAG & Vector Search 6mo ago

Signal-driven health monitoring for HNSW indices w/ pgvector

Vector search in PostgreSQL has come a long way, and pgvector makes it simple: insert embeddings,...

How Embeddings Actually Improve SEO: A Practical Guide for Developers

Dev.to · Siddharth Patel 🔍 RAG & Vector Search 6mo ago

How Embeddings Actually Improve SEO: A Practical Guide for Developers

SEO is undergoing a fundamental shift. Modern search engines rely on vector embeddings to capture...

The Deterministic Problem with Probabilistic AI Analytics

Dev.to · Cooper D 🔍 RAG & Vector Search 6mo ago

The Deterministic Problem with Probabilistic AI Analytics

TLDR: AI-powered analytics tools use probabilistic systems (LLMs, semantic search, RAG) to answer...

The Boring Debug Checklist That Fixes Most “RAG Failures”

Dev.to · Anindya Obi 🔍 RAG & Vector Search 6mo ago

The Boring Debug Checklist That Fixes Most “RAG Failures”

Introduction There’s a quiet lie in the RAG world: “When retrieval breaks, upgrade the...

Embedding Serverless Dashboards in React

Dev.to · Visual Analytics Guy 🔍 RAG & Vector Search 6mo ago

Embedding Serverless Dashboards in React

I know how devs building web apps often need to embed dashboards and are looking for ones that are...

How I built a RAG-powered Anime Recommendation Engine with Python & FastAPI (Open Sourcing the Journey)

Dev.to · Divyanshu Singh 🔍 RAG & Vector Search 6mo ago

How I built a RAG-powered Anime Recommendation Engine with Python & FastAPI (Open Sourcing the Journey)

MyAnimeList recommendations were broken, so I scraped 108 years of history to fix them. Standard...

Vector Databases 101: FAISS vs Pinecone

Dev.to · Richard Abishai 🔍 RAG & Vector Search 6mo ago

Vector Databases 101: FAISS vs Pinecone

Because even intelligence needs a memory. When you build an AI system — a chatbot, an agent, or a...

Why Semantic Search Matters... especially in Barbados!

Dev.to · Matt Hamilton 🔍 RAG & Vector Search 7mo ago

Why Semantic Search Matters... especially in Barbados!

How Semantic Search Finds Products That Keywords Miss I've been building this product...

Under the Hood: Building a Hybrid Search Engine for AI Memory (Node.js + pgvector)

Dev.to · NorthernDev 🔍 RAG & Vector Search 7mo ago

Under the Hood: Building a Hybrid Search Engine for AI Memory (Node.js + pgvector)

When building RAG (Retrieval-Augmented Generation) for AI agents, most developers stop at "Cosine...

Building an AI-Powered Semantic Talent Matching System

Dev.to · Hey Man has Hay Name 🔍 RAG & Vector Search 7mo ago

Building an AI-Powered Semantic Talent Matching System

Using MongoDB Atlas Vector Search + OpenAI Embeddings By Emmanuel Ifeanyi Mechie ...

Stop Overcomplicating RAG: Why I Built a "Memory Server" on Postgres (and Open Sourced It)

Dev.to · NorthernDev 🔍 RAG & Vector Search 7mo ago

Stop Overcomplicating RAG: Why I Built a "Memory Server" on Postgres (and Open Sourced It)

Building AI agents is fun. Building the long-term memory (RAG) infrastructure for them? Not so...

Embedding AI Inside PostgreSQL : Building a Native C++ Extension.

Dev.to · Abinand P 🔍 RAG & Vector Search 7mo ago

Embedding AI Inside PostgreSQL : Building a Native C++ Extension.

The Search for a Native Engine As a developer who values performance and systems...

Understanding Word Embedding: Bridging Language and Numbers

Dev.to · sujana acharya 🔍 RAG & Vector Search 7mo ago

Understanding Word Embedding: Bridging Language and Numbers

What is embedding? In simple terms, embedding mean representing words or objects as arrays of...