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AI architecture

142 items

ARTICLEDEV.to AI·5/9/2026

Your RAG can't answer 'why' -- GraphRAG finds what vector search misses

This article explores the limitations of conventional RAG (Retrieval-Augmented Generation) systems, which struggle to answer 'why' questions because vector search only finds similar documents, not related ones. It introduces GraphRAG as a solution to overcome this 'structural ceiling' by connecting the dots between pieces of information. The author shares a personal anecdote about realizing this architectural bottleneck after failed attempts to rewrite prompts.

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ARTICLEDEV.to AI·18d ago

AI, the New UI, Not the New API

A LinkedIn post suggested that RESTful APIs might be replaced by a single AI prompt entry point. This article explores the implications of this claim, analyzing how artificial intelligence could redefine interaction with web services and the nature of API contracts. It discusses the rigidity of current APIs versus human imprecision and AI's role as an interpreter.

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ARTICLEDEV.to AI·22d ago

AI Cost Optimization: A Practitioner Framework

This article discusses AI system cost optimization, distinguishing production systems from prototypes and highlighting how teams often overlook escalating expenses. It presents a practical framework used by practitioners to identify and reduce architectural waste, maintaining quality and introducing concepts like the Script-vs-LLM Substitution Rule and Dispatcher-First Cost Architecture.

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