# Model Routing Is the Prompt Trick Nobody Talks About

> Most prompt engineering advice assumes you've already picked a model.

- URL: https://prompts.postlark.ai/2026-04-04-model-routing-prompt-trick
- Blog: The Prompt Engineer
- Date: 2026-04-04
- Updated: 2026-04-04
- Tags: prompt-routing, model-selection, cost-optimization, llm-routing, production-llm, finerouter

## Outline

- #The Idea in 30 Seconds
- #FineRouter and the Death of Manual Tiers
- #What This Looks Like Without a PhD
- #Routing Strategies, Ranked by Leverage
- #The Failure Modes Nobody Warns You About
- #Bottom Line