What does a model router do?
Why A is the answer
It sends each request to the most suitable model
A model router sends each request to the most suitable model, which balances cost and quality.
In detail
- A model router sends each request to the most suitable model.
- A router needs rules or a model to classify requests.
Use case
An illustrative scenario, not a real incident.
A support product uses a model router, so each request reaches the model that suits it.
See it in different ways
flowchart LR
A["Request"] --> B{"Model router"}
B -->|"Simple"| C["Lower-cost model"]
B -->|"Complex"| D["More capable model"]sequenceDiagram
participant U as Request
participant R as Model router
participant S as Smaller model
participant L as Stronger model
U->>R: Prompt
alt Simple
R->>S: Handle it
else Hard
R->>L: Handle it
endflowchart LR S0["Request"] --> S1["Model router"] --> S2["Chosen model"] --> S3["Response"]
Key point: A router chooses the model for each request.
Why the other options are wrong
- B. It connects a Teams channel to a phone line
- That is telephony.
- C. It moves a solution from one environment to another
- That is ALM.
- D. It replaces content filters on a deployment
- Filters still apply.

