James' Growth Diary

May 14, 2026 · Artificial Intelligence

LLM Semantic Routing Explained: Model‑Based Intent Classification and Three Keyword‑Matching Pitfalls

This article breaks down LLM semantic routing as a classifier, compares keyword, embedding, and LLM‑based routes, provides full TypeScript implementations, introduces hybrid routing for speed and accuracy, and covers production‑grade observability and dynamic configuration to avoid common pitfalls.