Su San Talks Tech

May 11, 2026 · Artificial Intelligence

Designing a Production‑Ready LLM Gateway: Architecture, Routing, Fallback, and Observability

This article outlines a production‑grade LLM Gateway design, detailing a three‑layer architecture, capability‑, cost‑, latency‑ and semantic‑based routing strategies, multi‑level fallback mechanisms, specialized load balancing, unified API adaptation, semantic caching, observability, and compares popular open‑source implementations.