Model Comparison
Qwen3.5 Omni Plus
vs. Qwen3 VL 4B Instruct
Comparing 2 AI models · 10 benchmarks · Alibaba
Recommended Pick
AlQwen3.5 Omni Plus10 metric winsStrongest on: Throughput, Reasoning, Intelligence
Lowest Price
Qwen3 VL 4B Instruct
$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
Qwen3 VL 4B Instruct is ∞x cheaper on input tokens than Qwen3.5 Omni Plus.
Reasoning gap
Qwen3.5 Omni Plus leads Qwen3 VL 4B Instruct by 18.6 points on reasoning.
Top-pick rationale
Qwen3.5 Omni Plus wins 10 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
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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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Qwen3 VL 4B Instruct
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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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Al Qwen3.5 Omni Plus | Al Qwen3 VL 4B Instruct |
|---|---|---|
| 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 | Alibaba |
| Release Date | Mar 30, 2026 | Oct 14, 2025 |
| Performance & Speed | ||
| Throughput | 56.8 tok/s | — |
| TTFT | 1261ms | — |
| Latency | 1261ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 42.4 | 23.8 |
| Intelligence | 30.6 | 4.1 |
| Math | — | 37.0 |
| Standard Benchmarks | ||
| GPQA | 82.6% | 37.1% |
| MMLU Pro | — | 63.4% |
| HLE | 13.9% | 3.7% |
| LiveCodeBench | — | 29.0% |
| AIME 2025 | — | 37.0% |
| SciCode | 40.5% | 13.7% |
| LCR | 52.7% | 13.0% |
| IFBench | 51.2% | 31.8% |
| TAU-bench v2 | 88.3% | 23.4% |
| TerminalBench Hard | 21.2% | 0.0% |
Key Takeaways
Qwen3 VL 4B Instruct 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
Qwen3 VL 4B Instruct
- Cost-sensitive applications
- High-volume processing
