Model Comparison
Qwen3.5 0.8B (Non-reasoning)
vs. Sonar Reasoning Pro
Comparing 2 AI models · 9 benchmarks · Alibaba, Perplexity
Recommended Pick
PeSonar Reasoning Pro2 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Qwen3.5 0.8B (Non-reasoning)
$0.00/1M input price
Best Reasoning
Sonar Reasoning Pro
64.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
Qwen3.5 0.8B (Non-reasoning)
1.2 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Reasoning gap
Sonar Reasoning Pro leads Qwen3.5 0.8B (Non-reasoning) by 53.2 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.
Qwen3.5 0.8B (Non-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?
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Full Comparison
| Metric | Al Qwen3.5 0.8B (Non-reasoning) | Top Pick Pe Sonar Reasoning Pro |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.00/1M |
| Output Cost | $0.00/1M | $0.00/1M |
| Specifications | ||
| Organization | Alibaba | Perplexity |
| Release Date | Mar 2, 2026 | Jan 28, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 11.0 | 64.2 |
| Intelligence | 4.4 | 17.8 |
| Coding | 1.2 | — |
| Standard Benchmarks | ||
| GPQA | 23.6% | — |
| HLE | 4.9% | — |
| MATH 500 | — | 95.7% |
| AIME (Original) | — | 79.0% |
| SciCode | 2.9% | — |
| LCR | 6.7% | — |
| IFBench | 21.6% | — |
| TAU-bench v2 | 65.2% | — |
| TerminalBench Hard | 0.0% | — |
Key Takeaways
Qwen3.5 0.8B (Non-reasoning) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Sonar Reasoning Pro has the strongest reasoning profile with a 64.2 reasoning score,combining the available reasoning-heavy benchmarks.
Qwen3.5 0.8B (Non-reasoning) reaches a 1.2 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Qwen3.5 0.8B (Non-reasoning)
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development
Sonar Reasoning Pro
- Complex reasoning tasks
- Research & analysis
