Sonar Deep Research
Perplexity's slow, thorough research model that reads many sources.
Perplexity, web search. Checked 30 October 2026.
Where to use it through an API
Perplexitysonar-deep-research
The maker publishes its own benchmarks and limits on its model page.
Use Sonar Deep Research with every other AI at once
Put Sonar Deep Research in one panel and ChatGPT, Claude, Gemini or any of 300+ models in the others. One message goes to all of them, answers arrive side by side, and test mode times them and hides the names so you judge fairly. Pro is free with a follow on X, and you use your own keys.
Questions
Is there a free Sonar Deep Research API?
Not that we found. Sonar Deep Research is paid per token through Perplexity.
What is the Sonar Deep Research model id?
Perplexity: sonar-deep-research.
How does Sonar Deep Research score?
The Artificial Analysis Intelligence Index had not scored it when we checked on 30 October 2026.
Can I use Sonar Deep Research with ChatGPT, Claude and Gemini at the same time?
Yes. MultiScreenAI puts Sonar Deep Research in one panel and other models in the others, sends one message to all of them and shows the answers side by side.