sonar-pro-search
Sonar Pro Search is the Pro Search mode of Perplexity Sonar Pro, Perplexity’s most advanced agentic search system, designed for deeper reasoning and analysis.
Precio: Entrada: 720 créditos / 1 M de tokens (≈ $3.60); salida: 3600 créditos / 1 M de tokens (≈ $18.00).
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Sonar Pro Search API on ModelFold
Sonar Pro Search is the Pro Search mode of Perplexity Sonar Pro, Perplexity’s most advanced agentic search system, designed for deeper reasoning and analysis. Try Sonar Pro Search in the ModelFold Playground, then call it from your own code through an OpenAI-compatible chat completions API.
What Is the Sonar Pro Search API
Sonar Pro Search at a glance
Sonar Pro Search is a chat model from Perplexity. It accepts text and images as input and returns text, with a context window of up to 200K tokens.
Use it without hosting anything
On ModelFold you call Sonar Pro Search with a single API key — no model weights to download and no inference servers to run. The same key also works for the other chat, image, video and audio models on ModelFold.
Core Capabilities of Sonar Pro Search
Up to 200K tokens of context
Keep long conversations, large documents and sizeable code in a single request, so the model can reason over the full material instead of fragments.
Understands images
Besides text, Sonar Pro Search accepts images as input, so a single request can combine instructions with visual or other media.
Reasoning mode
Sonar Pro Search can produce reasoning before its final answer; in the Playground you can switch reasoning on or off to compare results.
Structured outputs
Ask for JSON that follows a schema (response_format), which makes extraction, classification and system integrations more reliable.
How to Use Sonar Pro Search on ModelFold
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Step 1: Try it in the Playground
Open the Playground at the top of this page, type a prompt and see how Sonar Pro Search responds before writing any code.
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Step 2: Create an API key
Sign in to ModelFold and create an API key in the console. Keep it secret and send it as a Bearer token.
- 3
Step 3: Send a request
Call POST https://modelfold.ai/v1/chat/completions with "model": "sonar-pro-search" and your messages. Existing OpenAI-compatible SDKs work by changing the base URL and key.
- ✓
Step 4: Ship and monitor
Integrate the response into your product and check token usage and spend for every call in the console logs.
What You Can Build with Sonar Pro Search
Analysis and complex reasoning
Work through research questions, data interpretation, planning and other problems that need careful step-by-step reasoning.
Autonomous agents
Build agents that plan multi-step tasks, call your tools and APIs, and keep working toward a goal across long sessions.
Long-document workflows
Feed in long reports, contracts, manuals or codebases and ask for summaries, comparisons and answers grounded in the material.
Frequently Asked Questions
What is Sonar Pro Search?⌄
Sonar Pro Search is the Pro Search mode of Perplexity Sonar Pro, Perplexity’s most advanced agentic search system, designed for deeper reasoning and analysis.
Which inputs does Sonar Pro Search support?⌄
Sonar Pro Search accepts text and images and returns text. Through ModelFold you can send text and images (OpenAI-style image_url content); in the Playground you can also attach documents, which are converted to text.
How long is the context window of Sonar Pro Search?⌄
Up to 200K tokens, shared between your input and the model’s output.
Does Sonar Pro Search support function calling?⌄
Function calling is not listed for Sonar Pro Search; requests that include tools will be rejected. Use plain prompts or JSON output instead.
How is Sonar Pro Search billed on ModelFold?⌄
Pay as you go by tokens: input and output tokens are charged at the per-million-token prices shown on this page. There is no monthly fee, and failed requests are not charged.
How do I call Sonar Pro Search through the API?⌄
Send a POST request to https://modelfold.ai/v1/chat/completions with "model": "sonar-pro-search", using your ModelFold API key as the Bearer token.
| Entrada | 720 créditos 1M tokens≈ $3.60 |
| Salida | 3600 créditos 1M tokens≈ $18.00 |
Se cobra por token, con tarifas separadas para entrada y salida. Los tokens de razonamiento cuentan como salida. El entorno de pruebas aplica exactamente el mismo cálculo.
Leer la documentación de la API →AI Agents · Claude Code / Cursor / Trae →curl https://modelfold.ai/v1/chat/completions \
-H "Authorization: Bearer $MODELFOLD_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"sonar-pro-search","messages":[{"role":"user","content":"Hello"}]}'