Perplexity: Sonar Reasoning Pro API

Access Perplexity: Sonar Reasoning Pro from Perplexity using Puter.js AI API.

Get Started

Model Card

Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT), designed for complex multi-step analysis and logical problem-solving. It excels at tasks requiring step-by-step thinking, strict instruction adherence, and information synthesis across sources with built-in web search. Ranked among the top models in Search Arena evaluations, statistically tied with Gemini-2.5-Pro-Grounding.

Context Window

N/A

tokens

Max Output

N/A

tokens

Input Cost

$2

per million tokens

Output Cost

$8

per million tokens

API Usage Example

Add Perplexity: Sonar Reasoning Pro to your app with just a few lines of code.
No API keys, no backend, no configuration required.

<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.chat("Explain quantum computing in simple terms", {
            model: "perplexity/sonar-reasoning-pro"
        }).then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

View full documentation →

Get started with Puter.js

Add Perplexity: Sonar Reasoning Pro to your app without worrying about API keys or setup.

Read the Docs View Tutorials