Sonar Reasoning Pro
by PerplexityReleased Mar 7, 2025
perplexity/sonar-reasoning-pro- Reads images
- Reasons before it answers
- Searches the web
Note: Sonar Pro pricing includes Perplexity search pricing. See details here Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for...
- Input / 1M tokens
- $2.40
- Output / 1M tokens
- $9.60
- Context
- 128K
- Longest answer
- 115K
What it costs
What each call is charged to the token's AI credit.
| Billed for | You pay |
|---|---|
| Input tokens | $2.40 / 1M |
| Output tokens | $9.60 / 1M |
| Each web search | $0.006 |
A typical call
A short chat turn: 2,000 tokens in, 500 out.
- per call
- $0.0096
- calls per $20
- 2,083
What it can do
From its listing. The router passes every field through.
- Reads imagesYes
- Reads files and PDFsNo
- Hears audioNo
- Calls toolsNo
- Answers in a JSON schemaNo
- Reasons before it answersYes
- Searches the webYes
- Caches long promptsNo
- Draws imagesNo
Call it
Any router key works, in the format your SDK already speaks.
import OpenAI from "openai";const ai = new OpenAI({ baseURL: "https://relayfor.si/api/v1", apiKey: process.env.RELAYFOR_ROUTER_KEY,});const reply = await ai.chat.completions.create({ model: "perplexity/sonar-reasoning-pro", messages: [{ role: "user", content: "Welcome the 1,000th holder in one line." }],});Specifications
What its maker and providers list for it.
- Reads
- Text and Images
- Writes
- Text
- Context
- 128,000 tokens
- Longest answer
- 115,200 tokens
- Intelligence index
- 11.8 (#144 of 220 rated)
- Released
- Mar 7, 2025
- Moderation
- None
Request fields
The fields its providers accept, passed through as you send them.
- frequency_penalty
- include_reasoning
- max_tokens
- presence_penalty
- reasoning
- temperature
- top_k
- top_p
- web_search_options
Questions
How much does Sonar Reasoning Pro cost?
$2.40 per million input tokens and $9.60 per million output tokens, paid from the token's AI credit. A call of 2,000 tokens in and 500 out costs about $0.0096.
How do I call Sonar Reasoning Pro?
Make a router key for one of your tokens on the dashboard, point any OpenAI or Anthropic SDK at https://relayfor.si/api/v1 and send the model id perplexity/sonar-reasoning-pro. The token's AI credit pays for each call.
How long a prompt can Sonar Reasoning Pro take?
Up to 128,000 tokens of context, and up to 115,200 tokens in one answer.
Are my prompts stored?
No. The RFS Router passes each call through and keeps only its token counts and cost, for the token's usage page.
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