Calculator

Model Routing Calculator

Route simple requests to a cheap model and hard requests to a premium model, including classifier overhead.

Routing mix

Cheap / default model

Premium fallback model

Requests / day12,000

Routed to cheap model72%

Input tokens / request3,200

Output tokens / request650

Router input tokens250

Router output tokens20

Routing savings

,055

30%

72% simple traffic, 28% premium fallback

All premium

$6,966

Claude Sonnet 4.6

Routed cost

$4,911

Gemini 3.5 Flash + Claude Sonnet 4.6

Router overhead

classifier cost

Routing only works if the classifier is conservative. False-easy routing can save money while damaging answer quality.