LLM Comparison
Sonar Reasoning Pro vs Qwen3.5-9B
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
S Sonar Reasoning Pro | ||
|---|---|---|
| Organization | Perplexity AI | |
| OpenTools Score | 54 430 | |
| Family | Sonar | Qwen |
| Status | Current | Current |
| Release Date | Mar 2025 | Mar 2026 |
| Context Window | 128K tokens | 262K tokens |
| Input Price | $2.00/M tokens | $0.10/M tokens |
| Output Price | $8.00/M tokens | $0.15/M tokens |
| Capabilities | textvisioncodeextended-thinking | textvisionvideocode |
| API Identifier | perplexity/sonar-reasoning-pro | qwen/qwen3.5-9b |
| Benchmarks | ||
| MMLU | 83 | 87.5 |
| HumanEval | — | 88.5 |
| View Sonar Reasoning Pro | View Qwen3.5-9B | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Qwen3.5-9BCheapest | $0.10 | $0.08 | $0.18 | — |
| Sonar Reasoning Pro | $2.00 | $4.00 | $6.00 | +3329% |
Perplexity AI
Sonar Reasoning Pro
Sonar Reasoning Pro is a multimodal llm from Perplexity AI. Supports up to 128,000 token context window. Achieves 83.0% on MMLU. Available from $2.00/M input tokens.
Alibaba
Qwen3.5-9B
Qwen3.5-9B is a multimodal llm from Alibaba. Supports up to 262,144 token context window. Achieves 87.5% on MMLU. Available from $0.10/M input tokens.
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