Model comparison
Sonar Reasoning Pro vs Claude 4 Opus
Capability radar, value bars, and side-by-side posture.
Sonar Reasoning Pro
Not scored
value score
Claude 4 Opus
95
value score
Sonar Reasoning Pro ctx
—
Claude 4 Opus ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Opus95
Attribute tape
| Field | Sonar Reasoning Pro | Claude 4 Opus |
|---|---|---|
| Developer | Perplexity | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $15/1M in · $75/1M out |
| Value score | — | 95 |
| Summary | Sonar Reasoning Pro is Perplexity's high-performance reasoning model that combines multi-step chain-of-thought reasoning with live web retrieval to produce citation-backed answers for complex research and analysis tasks. It replaced the deprecated sonar-reasoning model and is available via the Perplexity Sonar API. | Anthropic frontier Opus-class model. |