Model comparison
Auto Router vs Claude 4 Sonnet
Capability radar, value bars, and side-by-side posture.
Auto Router
Not scored
value score
Claude 4 Sonnet
91
value score
Auto Router ctx
—
Claude 4 Sonnet ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Sonnet91
Attribute tape
| Field | Auto Router | Claude 4 Sonnet |
|---|---|---|
| Developer | OpenRouter | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | $3/1M in · $15/1M out |
| Value score | — | 91 |
| Summary | Auto Router is OpenRouter's prompt-based model routing layer that automatically selects the most suitable underlying LLM for each request, powered by NotDiamond. It functions as 'model selection as a service' within the OpenRouter API, returning the chosen model in response metadata. | Balanced Claude model for coding and agents. |