# Perplexity: Sonar Deep Research

Provider: perplexity  
Category: llm  
Model ID: `perplexity/sonar-deep-research`

Sonar Deep Research is a research-focused model designed for multi-step retrieval, synthesis, and reasoning across complex topics. It autonomously searches, reads, and evaluates sources, refining its approach as it gathers...

## Specs

- Context length: 128000 tokens
- Max output: unknown tokens
- Modalities: text
- Released: 2025-03-07

## Pricing

- Input: $2.00 per million tokens
- Output: $8.00 per million tokens

## Providers

- **perplexity** — ctx 128000, input $2.00/M, output $8.00/M

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Last verified: 2026-04-23T23:46:29.618Z  
Canonical URL: https://switchy.build/models/sonar-deep-research