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Perplexity model product
Sonar Reasoning Pro
Sonar Reasoning Pro is a web-grounded language model from Perplexity for multi-step research questions requiring cited reasoning.
Updated Sep 8, 2026. Default version: Sonar Reasoning Pro
LLMBoard ScoreN/ANot scored
CoverageN/ANot scored
Context window128KTokens
Official input price$2Perplexity API
Sonar Reasoning Pro Benchmark Results
Benchmark scores for the scored version.
No benchmark results
No benchmark result is linked to the scored version.
Sonar Reasoning Pro Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenasearch factuality | Categoryoverall | Rank21 | Rating / score1,154.54 | Votes12,535 | ObservationsN/A | Result date |
| Arenasearch | Categoryoverall | Rank25 | Rating / score1,138.60 | Votes29,055 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank27 | Rating / score1,138.13 | Votes29,055 | ObservationsN/A | Result date |
Sonar Reasoning Pro Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $2 input, $8 output per 1M
- Official provider
- Perplexity
- Lowest third-party
- From $2 input, $8 output per 1M via OpenRouter
- Tracked offerings
- 9
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderOpenRouter | Provider model IDperplexity/sonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
| ProviderOpper | Provider model IDperplexity/sonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
| ProviderLLM Gateway | Provider model IDperplexity/sonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
| ProviderPerplexity | Provider model IDsonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
| ProviderEden AI | Provider model IDperplexityai/sonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
| ProviderDevPass (LLM Gateway) | Provider model IDsonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
| ProviderKilo Gateway | Provider model IDperplexity/sonar-reasoning-pro | Regionglobal | Input / 1M$2 | Output / 1M$8 | Context128K | Updated |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Sonar Reasoning Pro Runtime Performance
Provider-specific output speed and catalog latency for Sonar Reasoning Pro. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Sonar Reasoning Pro Specifications
Technical details for the model's default version.
- Version
- Sonar Reasoning Pro
- Released
- Jan 1, 2024
- Knowledge cutoff
- Sep 1, 2025
- Parameters
- N/A
- Context window
- 128K
- Max output
- 4.1K
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Unspecified
Sonar Reasoning Pro Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionSonar Reasoning Pro | Released | LLMBoardN/A | ParametersN/A | Context128K | Max output4.1K | Open weightsNo | LicenseUnspecified |
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What is Sonar Reasoning Pro?
Key information about Sonar Reasoning Pro and its available data.
Sonar Reasoning Pro is a Perplexity large language model designed for web-grounded, multi-step research questions that require cited reasoning.
Data as of 2026-09-08.
FAQ
Common questions about Sonar Reasoning Pro.
When was Sonar Reasoning Pro released?
Sonar Reasoning Pro's default version was released on Jan 1, 2024.
How much does Sonar Reasoning Pro cost?
Sonar Reasoning Pro's official API price is $2 per million input tokens and $8 per million output tokens via Perplexity. The lowest tracked third-party offer starts at $2 input and $8 output via OpenRouter.
Who created Sonar Reasoning Pro?
Sonar Reasoning Pro was created by Perplexity.
What is the context window for Sonar Reasoning Pro?
The default version has a 128K token context window.
Is Sonar Reasoning Pro open weight?
No. The default version is not marked as having publicly available weights.