Sonar Reasoning Pro
FrontierVisionPerplexity · Released March 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) Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for...
It is part of Perplexity's Sonar line, built specifically for search-grounded, citation-backed answers.
Facts and pricing
- Provider
- Perplexity
- Context window
- 128K tokens
- Input price
- 22.0 credits / 1M tokens ($2.00 raw)
- Output price
- 88.0 credits / 1M tokens ($8.00 raw)
- Vision (image input)
- Yes
- Tool calling
- No
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
Try Sonar Reasoning Pro now
What Sonar Reasoning Pro is best for
- Hard problems where answer quality matters more than cost: strategy, analysis, difficult writing
- Working with images: screenshots, charts, photos and scanned documents alongside text
Example prompts
Prompts that suit a frontier model like Sonar Reasoning Pro:
- Review this business plan and give me the three hardest questions an investor would ask
- Rewrite this announcement so it lands with both engineers and executives
- I am choosing between two job offers, help me think through the tradeoffs
- Draft a technical design doc for a rate limiter, including failure modes
Perplexity family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Sonar Pro Search | 200K | 33.0 | 165 | October 2025 |
| Sonar Reasoning Pro | 128K | 22.0 | 88.0 | March 2025 |
| Sonar Pro | 200K | 33.0 | 165 | March 2025 |
| Sonar Deep Research | 128K | 22.0 | 88.0 | March 2025 |
| Sonar | 127K | 11.0 | 11.0 | January 2025 |
Frequently asked questions
- What is Sonar Reasoning Pro?
- Sonar Reasoning Pro is an AI model by Perplexity. 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) Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for...
- How much does Sonar Reasoning Pro cost on Zeplik?
- Input tokens cost 22.0 credits per million and output tokens 88.0 credits per million (1 credit = $0.10; the raw provider rates are $2.00 and $8.00 per million). New accounts start with free credits.
- How long can a conversation with Sonar Reasoning Pro be?
- Sonar Reasoning Pro has a 128K-token context window (128,000 tokens), which covers the conversation plus any documents you attach.
- Does Sonar Reasoning Pro support images and tools?
- Sonar Reasoning Pro accepts image input and does not support tool calling.
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