Sonar Pro Search
Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis. Pricing is based on tokens plus $18 per thousand requests. This model powers the Pro Search mode on the Perplexity platform. Sonar Pro Search adds autonomous, multi-step reasoning to Sonar Pro. So, instead of just one query + synthesis, it plans and executes entire research workflows using tools.
Context window
This model accepts 200K tokens in one request (~150K words of text).
What fits in one request
- FitsShort documentAbout 1,500 words of text
- FitsLong documentAbout 37K words of text
- FitsSmall 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
- 200,000 tokens (200K)
- Max output tokens
- 8,000 tokens (8K)
- Speed tier
- balanced
- Provider
- Perplexity
- Release date
- Oct 2025
Capabilities
See which features this model supports, such as vision, tools, and streaming.
- Vision
- Accepts image inputs alongside text
- Supported
- 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
- 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 Pro Search
Open a side-by-side comparison with one click.
- Sonar Pro Search vs Amazon Titan Text Express
Sonar Pro Search has 376% larger context window
- Sonar Pro Search vs Amazon Titan Text Lite
Sonar Pro Search has 376% larger context window
- Sonar Pro Search vs Amazon Titan Text Premier
Sonar Pro Search has 376% larger context window
- Sonar Pro Search vs Claude Instant
Sonar Pro Search has 100% larger context window
- Sonar Pro Search vs Anthropic Claude
Sonar Pro Search has 100% larger context window
- Sonar Pro Search vs Codellama 34b Instruct
Sonar Pro Search has 4782% larger context window
Frequently asked questions
Short answers about context size and how this model behaves.
More from Perplexity
Other models by Perplexity in our catalog.
Powered by Mem0
Use a smaller model.
Get better results.
Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.
Example: a multi-turn chat session
80% less to send — works with any model