Perplexity: Sonar Reasoning Pro
Perplexity's Sonar Reasoning Pro can process both text and images, with an impressive context length of 128,000 tokens and robust reasoning capabilities. While it does not support structured output or external tools, its ability to handle diverse input modalities makes it a versatile choice for complex tasks. For those needing a capable model that operates within a budget, Sonar Reasoning Pro stands out with its blended benchmark score of 28.7 across independent evaluations. At $2.0 per million input tokens and $8.0 per million output tokens, it offers a competitive price point, making it suitable for projects where cost-effectiveness is crucial while still delivering reliable performance.
Benchmark results
Independent, published benchmarks. Blended score 28.7 across 1 benchmark, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 29.8 |
- 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 |
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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.