Ai-Architecture

Quick Answer Vector databases and retrieval-augmented generation, usually called RAG, help AI systems answer from selected documents, knowledge bases, tickets, policies, product notes, and business records instead of relying only on model memory. In 2026, the best RAG systems are not only about storing embeddings. They are about building a reliable retrieval workflow that can find the right source, respect permissions, cite evidence, avoid stale content, and tell users when the available context is not enough. ...

Quick Answer AI Model Routing Architectures for Cost and Quality helps teams turn RAG and retrieval from a broad AI discussion into a practical decision framework. The useful approach is to define the workflow, identify the data and risk boundaries, choose review controls, and measure whether the system improves real work. Model routing lets teams avoid sending every request to the largest or most expensive model. A routing layer can send simple extraction, classification, or summarization tasks to smaller models while reserving stronger models for complex reasoning. ...