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OpenKey

Sonar Pro

PerplexityReleased Mar 7, 2025

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) For enterprises seeking more advanced capabilities, the Sonar Pro API can handle in-depth, multi-step queries with added extensibility, like...

Try in playground
Context window
200K tokens
Max output
8K tokens
Input
text, image
Output
text
Tokenizer
Other
Released
Mar 7, 2025

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$3.00$0.090$3.09
Output$15.00$0.450$15.45

Supported parameters

  • frequency_penalty
  • max_tokens
  • presence_penalty
  • temperature
  • top_k
  • top_p
  • web_search_options

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model perplexity/sonar-pro.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "perplexity/sonar-pro",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="perplexity/sonar-pro",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "perplexity/sonar-pro",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Sonar Pro cost via API?
Through OpenKey, Sonar Pro costs $3.09 per 1M input tokens and $15.45 per 1M output tokens. That is the provider price ($3.00 / $15.00) plus a flat 3% fee — nothing else.
What is Sonar Pro's context window?
Sonar Pro accepts up to 200K tokens of context and returns up to 8K tokens per request.
Is Sonar Pro OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "perplexity/sonar-pro" using any OpenAI SDK — only the base URL and API key change.
What inputs does Sonar Pro support?
Sonar Pro accepts text, image input and produces text output.

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