Model Comparison
Qwen3 VL 4B (Reasoning)
vs. Sonar Reasoning Pro
Comparing 2 AI models · 0 benchmarks · Alibaba, Perplexity
Recommended Pick
PeSonar Reasoning Pro2 metric winsStrongest on: Reasoning, Intelligence
Best Reasoning
Sonar Reasoning Pro
11.8 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Reasoning gap
Sonar Reasoning Pro leads Qwen3 VL 4B (Reasoning) by 4.8 points on reasoning.
Top-pick rationale
Sonar Reasoning Pro wins 2 measurable categories, including Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3 VL 4B (Reasoning)
Alibaba
TTFT
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Time
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tok/s
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Tokens
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Cost
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Sonar Reasoning Pro
Perplexity
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
Secure AI Chat made in Europe
Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.
EU-hosted inference
Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
Full Comparison
| Metric | Al Qwen3 VL 4B (Reasoning) | Top Pick Pe Sonar Reasoning Pro |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | — |
| Output Cost | — | — |
| Specifications | ||
| Organization | Alibaba | Perplexity |
| Release Date | Oct 14, 2025 | Jan 28, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 7.0 | 11.8 |
| Intelligence | 7.0 | 11.8 |
Key Takeaways
Sonar Reasoning Pro has the strongest reasoning profile with a 11.8 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Qwen3 VL 4B (Reasoning)
- General-purpose AI
- Versatile applications
Sonar Reasoning Pro
- Complex reasoning tasks
- Research & analysis
