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 information. This enables comprehensive report generation across domains like finance, technology, health, and current events. Notes on Pricing ([Source](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-deep-research)) - Input tokens comprise of
Context window
This model accepts 128K tokens in one request (~96K words of text).
What fits in one request
- FitsShort documentAbout 1,500 words of text
- FitsLong documentAbout 37K words of text
- Won't fitSmall codebaseAbout 150K words of text
- Won't fitFull novelAbout 375K words of text
Specifications
Context size, pricing, and release info in one place.
- Context window
- 128,000 tokens (128K)
- Speed tier
- balanced
- Provider
- Perplexity
- Release date
- Mar 2025
- Input cost
- $2.00/M / 1M tokens
- Output cost
- $8.00/M / 1M tokens
Capabilities
See which features this model supports, such as vision, tools, and streaming.
- Extended thinking
- Shows its chain-of-thought reasoning
- Supported
- Web search
- Can browse the web during a request
- Supported
- Streaming
- Returns tokens as they are generated
- Supported
- Vision
- Accepts image inputs alongside text
- Not supported
- Tool use
- Can call external tools and APIs
- Not supported
- Function calling
- Structured function call interface
- Not supported
- Batch API
- Process many requests asynchronously
- Not supported
- Prompt caching
- Reuse repeated prompt prefixes cheaply
- Not supported
Best for
Jump to a guide or ranking that matches each workload.
Compare Sonar Deep Research
Open a side-by-side comparison with one click.
- Sonar Deep Research vs Amazon Titan Text Express
Sonar Deep Research has 204% larger context window
- Sonar Deep Research vs Amazon Titan Text Lite
Sonar Deep Research has 204% larger context window
- Sonar Deep Research vs Amazon Titan Text Premier
Sonar Deep Research has 204% larger context window
- Sonar Deep Research vs Claude Instant
Sonar Deep Research has 28% larger context window
- Sonar Deep Research vs Anthropic Claude
Sonar Deep Research has 28% larger context window
- Sonar Deep Research vs Codellama 34b Instruct
Sonar Deep Research has 3025% larger context window
Frequently asked questions
Short answers about context size and how this model behaves.
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