Perplexity: Sonar Reasoning Pro

Image input Text input Text output
Author's Description

Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for advanced use cases, it supports in-depth, multi-step queries with a larger context window and can surface more citations per search, enabling more comprehensive and extensible responses.

Key Specifications
Cost
$$$$$
Context
128K
Released
Mar 06, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Top P Reasoning Include Reasoning Max Tokens Presence Penalty Temperature Frequency Penalty
Features

This model supports the following features:

Reasoning
Performance Summary

Perplexity: Sonar Reasoning Pro, powered by DeepSeek R1 with Chain of Thought (CoT), is positioned as a premium reasoning model for advanced use cases. Its speed performance tends to be slower, ranking in the 11th percentile across benchmarks, indicating longer response times compared to many other models. Similarly, its pricing is at a premium level, ranking in the 5th percentile, suggesting it is among the more expensive options available. Despite its higher cost and slower speed, Sonar Reasoning Pro demonstrates notable strengths in specific areas. It excels in "Coding" and "Reasoning" benchmarks, achieving 89th and 88th percentile accuracy respectively, highlighting its proficiency in complex problem-solving and programming tasks. Its "General Knowledge" performance is also strong at 99% accuracy (73rd percentile). However, a significant weakness is observed in "Email Classification," where it scored only 86% accuracy (11th percentile), indicating a struggle with nuanced categorization. Its "Ethics" performance is moderate at 97% accuracy (35th percentile). Overall, the model appears well-suited for tasks requiring deep reasoning and knowledge, but less so for high-volume, rapid classification needs where cost and speed are paramount.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $2
Completion $8
Web Search $5000

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Perplexity
Perplexity | perplexity/sonar-reasoning-pro 128K $2 / 1M tokens $8 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Free Executions Accuracy Cost Duration
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