Perplexity: Sonar Reasoning Pro API

Perplexity's Perplexity: Sonar Reasoning Pro, through an OpenAI-compatible API. Providers quote it on an open exchange, and each request goes to the offer with the lowest estimated charge that meets your rules.

Providers compete for each request. The exchange ranks the offers that meet your rules by estimated charge. It fixes your maximum charge before the first token, and you pay for the tokens that the model uses.
The OpenAI and Anthropic APIs. Use the OpenAI or Anthropic SDK that you have. Set the base URL and your key, and send perplexity-sonar-reasoning-pro as the model.
Your data rules. Send x-liquid-retention: none and only offers whose provider does not keep your content compete for the request.

Facts

Model name: perplexity-sonar-reasoning-pro
Maker: Perplexity
Context window: 919.3K tokens
Input price: $4.800 per million tokens
Output price: $19.000 per million tokens
Providers: 1 independent provider
Regions: global

Providers

EmpirioLabs AI: global, $4.800 input and $19.000 output per million tokens, $4.800 cache read per million tokens, $0.024 fee for each request, 919.3K tokens of context

Scores

SimpleQA Verified: 47.0, #33 of 126

Scores: Artificial Analysis (https://artificialanalysis.ai/)

Scores: Epoch AI, 'Capabilities & Benchmarking' (https://epoch.ai/benchmarks)

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "perplexity-sonar-reasoning-pro",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is Perplexity: Sonar Reasoning Pro?: Perplexity: Sonar Reasoning Pro is a model from Perplexity.
How much does Perplexity: Sonar Reasoning Pro cost?: Offers now ask $4.800 per million input tokens and $19.000 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of Perplexity: Sonar Reasoning Pro?: The largest offer takes 919,330 input tokens. One job can generate up to 131,072 tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can Perplexity: Sonar Reasoning Pro do?: Its providers list Documents, Vision, Reasoning effort, Text.
What inputs and outputs does Perplexity: Sonar Reasoning Pro support?: Text · Files · Images → Text.
Which providers serve Perplexity: Sonar Reasoning Pro?: 1 independent provider quote it now, with 1 offer. The table above ranks them by the cost of a typical job.
How do I call Perplexity: Sonar Reasoning Pro?: Send "perplexity-sonar-reasoning-pro" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was Perplexity: Sonar Reasoning Pro listed?: The exchange first listed it on 10/17/2026. This is not its release date.