Thinking out loud.
Building in depth.
Notes from the engineering floor. Ideas, decisions, and lessons from building things that have to work in the real world.
What is RAG? Complete Guide to Retrieval-Augmented Generation (2025)
RAG (Retrieval-Augmented Generation) grounds LLMs in your private data. Learn how RAG works, when to use it, its architecture, costs, and when fine-tuning is a better choice.
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What is RAG? Complete Guide to Retrieval-Augmented Generation (2025)
RAG (Retrieval-Augmented Generation) grounds LLMs in your private data. Learn how RAG works, when to use it, its architecture, costs, and when fine-tuning is a better choice.
RAG vs Fine-Tuning: Which Does Your AI Application Need?
A definitive technical comparison of RAG vs fine-tuning. When to use each, when to combine them, costs, trade-offs, and real-world examples from production AI systems.
How to Build an AI Agent: Complete Developer Guide 2025
A complete technical guide to building AI agents from scratch: architecture, tool use, memory, orchestration frameworks (LangChain, LangGraph, CrewAI), and production deployment.
AI Development Cost in 2025: RAG, Agents & LLMs Pricing Guide
Transparent pricing guide for AI development in 2025. What does it actually cost to build a RAG system, AI agent, fine-tuned model, or full AI product? Real numbers from production projects.
Best Vector Databases for AI Apps: Pinecone vs Weaviate vs Qdrant vs pgvector (2025)
A technical comparison of the top vector databases for AI applications in 2025: Pinecone, Weaviate, Qdrant, Chroma, and pgvector. Performance, cost, features, and when to use each.
How to Hire an AI Development Company: 10 Questions to Ask Before You Sign
A founder's guide to hiring an AI development company. The 10 questions you must ask, red flags to avoid, what good looks like, and how to evaluate technical credibility.