Sonar Reasoning Pro Model to research, verify and cite sources
Perplexity Chat and reasoning models Upgrade to use perplexity/sonar-reasoning-pro
Sonar Reasoning Pro is Perplexity’s search-augmented reasoning model that reads sources, reasons over them, and returns answers with citations. It is for researchers, analysts, and engineers who need evidence-backed synthesis and visual document review.
What it can do
- Reads images and screenshots
- Searches the live web and cites sources
- Thinks step by step on hard questions
What people use it for
Research summary with sources
Give a contested question and Sonar Reasoning Pro fetches pages, compares viewpoints, and returns a concise, cited summary you can use in reports.
Visual document review
Upload screenshots or PDFs and the model reads images, extracts facts, and cites the exact web or document sources for each finding to speed audits or due diligence.
Technical explanation and verification
Ask for a step-by-step explanation of code, algorithms, or claims; the model uses web retrieval during its chain-of-thought to verify statements and provide source links.
Why it is worth it
- Returns answers grounded in live web sources rather than unsupported assertions.
- Supports long context and multi-step reasoning for complex queries.
- Accepts text and image inputs for mixed media research.
- Produces more citations per query to help verification and traceability.
Questions people ask
When should I pick Sonar Reasoning Pro over a standard chat model?
Choose it when your question requires live web evidence, multi-step reasoning, or visual source review. It is slower and more research-focused than lightweight chat models.
Does the model provide citations I can trust?
The model returns live citations and shows the pages it used during reasoning. You should still verify sources for high-stakes decisions, but Sonar emphasizes source grounding.
How is billing handled on Katteb for this model?
Katteb bills Sonar Reasoning Pro per message in credits; this model costs 19 credits per message. Do not expect fixed dollar pricing from Katteb in this page.
