# Sonar Deep Research API Pricing

As of October 10, 2026, Sonar Deep Research costs $2.00 per 1M input tokens and $8.00 per 1M output tokens on Perplexity. It has a 128,000-token context window.

- Page: https://models.litellm.ai/models/sonar-deep-research
- Lab: Perplexity
- LiteLLM model name: `perplexity/sonar-deep-research`
- Context window: 128,000 tokens
- Added to LiteLLM: May 2025
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Perplexity | `perplexity/sonar-deep-research` | $2.00 | $8.00 | – | – | – | 128K |

## Cost examples

1,000 requests with 2,000 input and 500 output tokens each:

- Perplexity: $8.00

100 long-document requests with 100,000 input and 2,000 output tokens each:

- Perplexity: $21.60

## Features

Supported: Reasoning, Web search.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="perplexity/sonar-deep-research",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Sonar Deep Research cost?

Sonar Deep Research costs $2.00 per 1M input tokens and $8.00 per 1M output tokens on Perplexity.

### What is the context window of Sonar Deep Research?

Sonar Deep Research has a 128,000-token context window.

### Which providers offer Sonar Deep Research?

Sonar Deep Research is available from Perplexity through LiteLLM, using the model name perplexity/sonar-deep-research.

### How do I call Sonar Deep Research with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="perplexity/sonar-deep-research", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does Sonar Deep Research support?

Sonar Deep Research supports reasoning and web search.

### When did LiteLLM add Sonar Deep Research?

Sonar Deep Research was added to LiteLLM's model price file in May 2025.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json