Model Comparison
Qwen3.5 Omni Plus
vs. Sonar
Comparing 2 AI models · 11 benchmarks · Alibaba, Perplexity
Recommended Pick
AlQwen3.5 Omni Plus6 metric winsStrongest on: Throughput, Reasoning, Intelligence
Lowest Price
Sonar
$0.00/1M input price
Best Reasoning
Qwen3.5 Omni Plus
42.4 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 is ∞x cheaper on input tokens than Qwen3.5 Omni Plus.
Reasoning gap
Qwen3.5 Omni Plus leads Sonar by 3.5 points on reasoning.
Top-pick rationale
Qwen3.5 Omni Plus wins 6 measurable categories, including Throughput, Reasoning, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3.5 Omni Plus
Alibaba
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Sonar
Perplexity
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Chat with leading AI models
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 | Top Pick Al Qwen3.5 Omni Plus | Pe Sonar |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.40/1M | $0.00/1M |
| Output Cost | $4.80/1M | $0.00/1M |
| Blended (3:1) | $1.50/1M | — |
| Specifications | ||
| Organization | Alibaba | Perplexity |
| Release Date | Mar 30, 2026 | Jan 21, 2025 |
| Performance & Speed | ||
| Throughput | 55.4 tok/s | — |
| TTFT | 1284ms | — |
| Latency | 1284ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 42.4 | 38.8 |
| Intelligence | 30.6 | 9.5 |
| Standard Benchmarks | ||
| GPQA | 82.6% | 47.1% |
| MMLU Pro | — | 68.9% |
| HLE | 13.9% | 7.3% |
| LiveCodeBench | — | 29.5% |
| MATH 500 | — | 81.7% |
| AIME (Original) | — | 48.7% |
| SciCode | 40.5% | 22.9% |
| LCR | 52.7% | — |
| IFBench | 51.2% | — |
| TAU-bench v2 | 88.3% | — |
| TerminalBench Hard | 21.2% | — |
Key Takeaways
Sonar offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Qwen3.5 Omni Plus has the strongest reasoning profile with a 42.4 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 Omni Plus
- Complex reasoning tasks
- Research & analysis
Sonar
- Cost-sensitive applications
- High-volume processing
