Model Comparison
Qwen3.5 35B A3B (Reasoning)
vs. Sonar Reasoning
Comparing 2 AI models · 9 benchmarks · Alibaba, Perplexity
Recommended Pick
PeSonar Reasoning5 metric winsStrongest on: Input price, Output price, TTFT
Lowest Price
Sonar Reasoning
$0.00/1M input price
Best Reasoning
Sonar Reasoning
60.8 reasoning score
Blends available reasoning benchmarks
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
Sonar Reasoning is ∞x cheaper on input tokens than Qwen3.5 35B A3B (Reasoning).
Reasoning gap
Sonar Reasoning leads Qwen3.5 35B A3B (Reasoning) by 16.3 points on reasoning.
Top-pick rationale
Sonar Reasoning wins 5 measurable categories, including Input price, Output price, TTFT, Latency.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3.5 35B A3B (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
Perplexity
TTFT
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Time
—
tok/s
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Tokens
—
Cost
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Which answer was more useful?
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Full Comparison
| Metric | Al Qwen3.5 35B A3B (Reasoning) | Top Pick Pe Sonar Reasoning |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.25/1M | $0.00/1M |
| Output Cost | $2.00/1M | $0.00/1M |
| Blended (3:1) | $0.69/1M | — |
| Specifications | ||
| Organization | Alibaba | Perplexity |
| Release Date | Feb 24, 2026 | Jan 28, 2025 |
| Performance & Speed | ||
| Throughput | 169.0 tok/s | — |
| TTFT | 1128ms | — |
| Latency | 12961ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 44.5 | 60.8 |
| Intelligence | 29.3 | 11.7 |
| Standard Benchmarks | ||
| GPQA | 84.5% | 62.3% |
| HLE | 19.7% | — |
| MATH 500 | — | 92.1% |
| AIME (Original) | — | 77.0% |
| SciCode | 37.7% | — |
| LCR | 62.7% | — |
| IFBench | 72.5% | — |
| TAU-bench v2 | 89.2% | — |
| TerminalBench Hard | 26.5% | — |
Key Takeaways
Sonar Reasoning offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Sonar Reasoning has the strongest reasoning profile with a 60.8 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
Qwen3.5 35B A3B (Reasoning)
- General-purpose AI
- Versatile applications
Sonar Reasoning
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
