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Perplexity: Sonar Reasoning Pro API Pricing

Perplexity: Sonar Reasoning Pro is an API model from perplexity. It costs $2 per 1M input tokens and $8 per 1M output tokens. Its context window is 128,000 tokens with up to 115,200 output tokens. A workload of 10M input + 2M output tokens costs about $36 per month.
Input
$2
per 1M tokens
Output
$8
per 1M tokens
Cached input
—
per 1M tokens
Context window
128K
128,000 tokens
Blended (80/20)
$3.2
per 1M tokens

Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT). Designed for...

How much does Perplexity: Sonar Reasoning Pro cost for a real workload?

At 10M input + 2M output tokens per month, Perplexity: Sonar Reasoning Pro costs about $36 ($20 input + $16 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to Perplexity: Sonar Reasoning Pro?

Compare Perplexity: Sonar Reasoning Pro with other models

Perplexity: Sonar Reasoning Pro vs Perplexity: SonarPerplexity: Sonar Reasoning Pro vs Perplexity: Sonar Deep ResearchPerplexity: Sonar Reasoning Pro vs Perplexity: Sonar Pro SearchPerplexity: Sonar Reasoning Pro vs Perplexity: Sonar Pro

Frequently asked questions

How much does Perplexity: Sonar Reasoning Pro cost?

Perplexity: Sonar Reasoning Pro costs $2 per 1M input tokens and $8 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $36.

What is the context window of Perplexity: Sonar Reasoning Pro?

Perplexity: Sonar Reasoning Pro has a context window of 128,000 tokens and can return up to 115,200 output tokens per response.

What are cheaper alternatives to Perplexity: Sonar Reasoning Pro?

Cheaper models include Google: Nano Banana 2.1 ($1.5 in / $7.5 out), AionLabs: Aion 3.5 ($3 in / $6 out), AionLabs: Aion-3.0 ($3 in / $6 out). See the full list on this page.

Is Perplexity: Sonar Reasoning Pro free to use?

No. Perplexity: Sonar Reasoning Pro is a paid model at $2 input / $8 output per 1M tokens. 20 free models are listed on the free models page.

Provider: perplexity · Model ID: perplexity/sonar-reasoning-pro · Modality: text+image->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices