Sonar Pro API

perplexity/sonar-pro
Sonar Pro from Perplexity is a high-performance, proprietary research AI tailored for delivering real-time answers grounded in authoritative web content and resolving intricate questions.
Context
200K tokens
Input
$3.9 / 1M tokens
Output
$19.5 / 1M tokens
Released
Sep 9, 2025

How to use Sonar Pro API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to perplexity/sonar-pro.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "perplexity/sonar-pro",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "perplexity/sonar-pro",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"perplexity/sonar-pro","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Sonar Pro API Pricing

TypePrice
Input
$3.9 / 1M tokens
Output
$19.5 / 1M tokens

Sonar Pro Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Intelligence
11.8
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

Sonar Pro vs other models

ModelInputOutputContextBest for
Sonar Pro
This page
$3.9 / 1M tokens
$19.5 / 1M tokens
200K tokens
Chat + assistants
$6.5 / 1M tokens
$39 / 1M tokens
1M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$1.95 / 1M tokens
$11.7 / 1M tokens
1M tokens
Reasoning + agents

Frequently asked questions

Sonar Pro has a 200,000 tokens context window and can return up to 100,000 tokens.

Sonar Pro takes image, text as input and returns text.

Use perplexity/sonar-pro as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Sonar Pro became available on September 9, 2025.

Sonar Pro is priced at input $3.9 / 1M tokens, output $19.5 / 1M tokens.

Yes, Sonar Pro can stream responses as they are generated.

Yes, Sonar Pro accepts image input alongside text.

Sonar Pro was built by Perplexity.

Sonar Pro is a search-augmented model built for deeper reasoning and broader web coverage in text and image-based conversations.

Yes, Sonar Pro includes web search as one of its core features and capabilities.

Start building with Sonar Pro

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