opus: The Intelligent Claude Routing Layer Built for Speed

TL;DR

Intelligent Claude model routing with Haiku → Sonnet → Opus progression. The right model for every task at the lowest cost.

10-Second Pitch

• **What it does:** Classifies prompts by complexity, routes to the cheapest capable model
• **Key win:** Most tasks don't need Opus — opus makes sure you only pay for what you use
• **Best for:** Production Claude deployments where cost matters

Setup

pip install opus-router

opus route "What's the capital of Japan?" # → Haiku (trivial)

opus route "Debug this race condition" # → Sonnet (medium)

opus route "Design a consensus algorithm" # → Opus (complex)

Pros / Cons

Verdict

opus is the routing layer your Claude deployment was missing. The difference between Haiku and Opus is 100x in cost — and opus makes sure you only pay premium prices when you actually need them.