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10 AI Reference Architectures for RAG, Agents, and Gateways

The article presents ten reference architectures for AI projects, designed to be vendor-neutral and easily understandable. These diagrams illustrate common patterns such as Retrieval-Augmented Generation (RAG) with basic or advanced search capabilities, AI agents interacting with Model Context Protocol (MCP) servers, multi-agent systems with orchestrators and workers, and LLM gateways for managing model calls and costs. The architectures also incorporate guardrails for input and output validation, and human-in-the-loop processes for critical actions. AI

IMPACT Provides developers with reusable blueprints for common AI system components like RAG and agents, accelerating project development.

RANK_REASON The article provides practical, reusable architectural patterns for AI systems, functioning as a guide or toolkit for developers.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

10 AI Reference Architectures for RAG, Agents, and Gateways

How we ranked this

Signal score
16 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The article provides practical, reusable architectural patterns for AI systems, functioning as a guide or toolkit for developers.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · theducttape.io ·

    10 AI reference architectures you can copy

    <p>Most AI architecture diagrams are grey rectangles with "LLM" written on one of them. You can read them only if the person who drew them is in the room.</p> <p>Below are ten architectures that show up in almost every AI project, drawn so that every component has a defined role:…