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ReasoningPerplexity
Sonar Reasoning Pro
Sonar Reasoning Pro is Perplexity's reasoning-focused model with web search capabilities, supporting text and image inputs with a 128K token context window.
Context 128K
Tier Reasoning
Modalities text, image
Input from
$2.00 / 1M tokens
across 2 providers
API Pricing
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| $2.00 | $8.00 | |
| $2.00 | $8.00 |
Prices updated daily. Last check: Sep 6, 2026
Sonar Reasoning Pro pricing by provider
Input, output, and batch rates, plus alternatives, for one provider at a time.
Performance & Benchmarks
Source: Artificial Analysis →Intelligence
11.8 / 100
Math
- AIME79.0%
- MATH-50095.7%
Benchmarks measured Sep 2026. Scores are independent evaluations, not vendor-reported.
Model Details
General
- Creator
- Perplexity
- Family
- Sonar
- Tier
- Reasoning
- Context Window
- 128K
- Modalities
- Text, Image
Capabilities
- Tool Calling
- No
- Open Source
- No
Strengths & Limitations
Strengths
- Integrated web search provides access to real-time information
- Multi-modal support for both text and image inputs
- 128K token context window for processing large documents
- Specialized reasoning architecture for complex analytical tasks
- Source citation capabilities for factual claims
- Real-time information access unlike static knowledge cutoffs
- Combines search and reasoning in a single model interface
Limitations
- No tool calling support limits integration capabilities
- Proprietary model with no open source availability
- Smaller context window compared to some frontier models
- Limited to Perplexity's ecosystem and search index
- Performance benchmarks not publicly available
Key Features
•Web search integration
•128K token context window
•Multi-modal input (text and images)
•Source citation and attribution
•Multi-step reasoning capabilities
•Real-time information retrieval
•Streaming response generation
•Image analysis and understanding
About Sonar Reasoning Pro
Sonar Reasoning Pro is Perplexity's specialized reasoning model within the Sonar family, designed for complex analytical tasks that require web search integration. As a reasoning-tier model from Perplexity, it combines multi-step reasoning capabilities with real-time web access to provide comprehensive answers to complex questions.
The model supports both text and image inputs with a 128K token context window, allowing it to process substantial amounts of information in a single request. Unlike traditional language models, Sonar Reasoning Pro integrates web search functionality directly into its reasoning process, enabling it to access current information and cite sources. However, it does not support tool calling functionality, focusing instead on its core reasoning and search capabilities.
Sonar Reasoning Pro is positioned as Perplexity's solution for tasks requiring both analytical thinking and access to up-to-date information. It competes with other reasoning models but differentiates itself through integrated web search, making it particularly suitable for research, analysis, and question-answering scenarios where current information is essential.
Common Use Cases
Sonar Reasoning Pro is designed for research-intensive and analytical workloads that require both complex reasoning and current information. It excels at tasks like market research, academic research assistance, fact-checking, competitive analysis, and technical documentation where accessing up-to-date web information is crucial. The model is particularly valuable for applications requiring source attribution and citation, such as journalism, consulting, and educational research. Its reasoning capabilities make it suitable for multi-step analysis tasks, while the web search integration ensures information remains current rather than limited by training data cutoffs.
Frequently Asked Questions
How much does Sonar Reasoning Pro cost per million tokens?
Sonar Reasoning Pro pricing varies by provider and usage patterns. Check the pricing table above for current rates across all available providers offering this model.
What is Sonar Reasoning Pro best used for?
Sonar Reasoning Pro is optimized for research and analysis tasks requiring both complex reasoning and current web information. It's particularly effective for market research, fact-checking, academic research, competitive analysis, and any scenario where you need cited, up-to-date information combined with analytical thinking.
Does Sonar Reasoning Pro support tool calling or function calling?
No, Sonar Reasoning Pro does not support tool calling functionality. Instead, it focuses on integrated web search and reasoning capabilities. If you need tool calling features, consider other models in your workflow that specifically support function calling.