perplexity

Perplexity: Sonar Reasoning Pro

The Perplexity Sonar Reasoning Pro can process both text and image inputs within a context length of 128,000 tokens; it excels in handling complex reasoning tasks. While it does not support structured output or external tools, its robust reasoning capabilities make it a strong contender for detailed analytical work. For those looking to integrate powerful reasoning into their projects without the need for additional tools and at a cost of $2.0 per million input tokens and $8.0 per million output tokens, this model offers a competitive benchmark score of 28.5 across various independent evaluations. Given its performance and reasonable pricing, it should be considered by users requiring advanced reasoning abilities in their applications.

Quality Score
76/100
price + capability + benchmarks
Input Price
$2.00
per 1M tokens
Output Price
$8.00
per 1M tokens
Context Window
128,000
tokens

Benchmark results

Independent, published benchmarks. Blended score 28.5 across 1 benchmark, last refreshed 2026-07-21. How scoring works →

BenchmarkMeasuresScore
AI Index broad capability composite 29.4
Model ID
perplexity/sonar-reasoning-pro
Vendor
perplexity
Released
March 2025
Tokenizer
Other
Input Modalities
text, image
Output Modalities
text
Max Output
default
Tool Calling
not supported
Structured Output
not supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
no

What it costs in practice

Computed from the current $2.00/M input and $8.00/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.07
Classify 1,000 customer emails 500k in / 50k out $1.40
A month of a busy support chatbot 5M in / 2M out $26.00

Similar models

Quick answers

How much does Perplexity: Sonar Reasoning Pro cost?
$2.00 per million input tokens and $8.00 per million output tokens.
What is Perplexity: Sonar Reasoning Pro's context window?
128,000 tokens, roughly 192 pages of text in a single request.
Does Perplexity: Sonar Reasoning Pro support tool calling?
It supports a reasoning mode.
Can Perplexity: Sonar Reasoning Pro process images?
Yes, it accepts image input.