Model comparison
Sonar Reasoning Pro vs GPT-5
Capability radar, value bars, and side-by-side posture.
Sonar Reasoning Pro
Not scored
value score
GPT-5
94
value score
Sonar Reasoning Pro ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | Sonar Reasoning Pro | GPT-5 |
|---|---|---|
| Developer | Perplexity | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| 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. | OpenAI frontier multimodal model. |