Sonar Reasoning Pro
sonar-reasoning-proNote: 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 Built by Perplexity.
Prices updated
Input price
$2.00
per 1M tokens · Standard
Output price
$8.00
per 1M tokens · Standard
Input limit
128K
tokens
Output limit
115K
tokens
Input formats
Output formats
Sonar Reasoning Pro price history
2 price records since 9/25/2026
Sonar Reasoning Pro cost calculator
$80/month
Standard pricing
Overview
What is Sonar Reasoning Pro?
Sonar Reasoning Pro is a text & reasoning and vision model from Perplexity. 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 Its 128K context window and $2.00 input price make it a candidate for quality-focused production applications.
Benchmarks
Sonar Reasoning Pro benchmarks & speed
How Sonar Reasoning Pro scores on standardized evaluations, and where it lands among every model we track.
11.8
Intelligence Index
Independent scores from Artificial Analysis and DesignArena · updated 10/5/2026. Higher is better; ranks compare against every model we track with that score.
Rates
Sonar Reasoning Pro pricing
Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.
Input · Standard
$2.00
Per 1M tokens
Cached input · Standard
Not available
No listed cached-input rate
Capabilities
Sonar Reasoning Pro Tools
Tools available when using Sonar Reasoning Pro through supported provider APIs.
Function calling
Not supported
Structured outputs
Not supported
JSON mode
Not supported
Reasoning
Supported
Built-in web search
Supported
Log probabilities
Not supported
Deterministic seed
Not supported
Parallel tool calls
Not supported
Prompt caching
Not supported
Strengths and limitations
Strengths
- Measured results (AA Intelligence 11.8) position it for demanding production work.
- A 128K context window covers most focused application workflows.
- Supports text & reasoning and vision workloads in one model.
Limitations
- Generated tokens cost 4× more than input tokens, which matters for verbose responses.
- The 128K context window is smaller than several long-context alternatives.
- Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.
Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.
Same provider