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.
Benchmark results
Independent, published benchmarks. Blended score 28.5 across 1 benchmark, last refreshed 2026-07-21. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| 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 →
| Job | Tokens | Cost |
|---|---|---|
| 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.