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# rag

Retrieval augmented generation, or RAG, is an architectural approach that can improve the efficacy of large language model (LLM) applications by leveraging custom data.

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What’s Actually Making Your LLM Costs Skyrocket?

What’s Actually Making Your LLM Costs Skyrocket?

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2 min read
Are We Over-Engineering LLM Stacks Too Early?

Are We Over-Engineering LLM Stacks Too Early?

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2 min read
Building Hybrid Search for RAG: Combining pgvector and Full-Text Search with Reciprocal Rank Fusion

Building Hybrid Search for RAG: Combining pgvector and Full-Text Search with Reciprocal Rank Fusion

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6 min read
Building a Production RAG Server with Ollama, Open WebUI and Chroma DB

Building a Production RAG Server with Ollama, Open WebUI and Chroma DB

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1 min read
Medicine Encyclopedia 2.0: Stop Guessing and Start Scanning with Multimodal RAG

Medicine Encyclopedia 2.0: Stop Guessing and Start Scanning with Multimodal RAG

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4 min read
New here - Full Stack Engineer

New here - Full Stack Engineer

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1 min read
From Paper Trails to Health Insights: Building a Personal EHR Semantic Search Engine with Hybrid Search

From Paper Trails to Health Insights: Building a Personal EHR Semantic Search Engine with Hybrid Search

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4 min read
Stop Paying for APIs: Build a 100% Local AI Auditor with Python & Llama 3

Stop Paying for APIs: Build a 100% Local AI Auditor with Python & Llama 3

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4 min read
Reducing OCR Cost in RAG Pipelines with Page-Level Detection

Reducing OCR Cost in RAG Pipelines with Page-Level Detection

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1 min read
Graph RAG and Agentic RAG: The Next Evolution of Retrieval

Graph RAG and Agentic RAG: The Next Evolution of Retrieval

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16 min read
RAG and Vector Databases: Should You Actually Care in 2026?

RAG and Vector Databases: Should You Actually Care in 2026?

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12 min read
Building a Chat Assistant Using Elasticsearch as a Vector Database

Building a Chat Assistant Using Elasticsearch as a Vector Database

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1 min read
Building a RAG-Based AI Chatbot Backend with Node.js (Serverless)

Building a RAG-Based AI Chatbot Backend with Node.js (Serverless)

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2 min read
Building Production RAG Without LangChain

Building Production RAG Without LangChain

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6 min read
How to build a knowledge graph for AI

How to build a knowledge graph for AI

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12 min read
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