Model Comparison
Qwen3.5 9B (Reasoning)
vs. Qwen3 VL 4B Instruct
Comparing 2 AI models · 10 benchmarks · Alibaba
Recommended Pick
AlQwen3.5 9B (Reasoning)10 metric winsStrongest on: Throughput, Reasoning, Intelligence
Lowest Price
Qwen3 VL 4B Instruct
$0.00/1M input price
Best Reasoning
Qwen3.5 9B (Reasoning)
38.4 reasoning score
Blends available reasoning benchmarks
Best for Coding
Qwen3.5 9B (Reasoning)
28.7 coding index
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 9B (Reasoning).
Reasoning gap
Qwen3.5 9B (Reasoning) leads Qwen3 VL 4B Instruct by 14.7 points on reasoning.
Top-pick rationale
Qwen3.5 9B (Reasoning) 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 9B (Reasoning)
Alibaba
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Qwen3 VL 4B Instruct
Alibaba
TTFT
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Al Qwen3.5 9B (Reasoning) | Al Qwen3 VL 4B Instruct |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $0.00/1M |
| Output Cost | $0.15/1M | $0.00/1M |
| Blended (3:1) | $0.11/1M | — |
| Specifications | ||
| Organization | Alibaba | Alibaba |
| Release Date | Mar 2, 2026 | Oct 14, 2025 |
| Performance & Speed | ||
| Throughput | 58.7 tok/s | — |
| TTFT | 957ms | — |
| Latency | 35045ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 38.4 | 23.8 |
| Intelligence | 21.4 | 4.1 |
| Coding | 28.7 | — |
| Math | — | 37.0 |
| Standard Benchmarks | ||
| GPQA | 80.6% | 37.1% |
| MMLU Pro | — | 63.4% |
| HLE | 13.3% | 3.7% |
| LiveCodeBench | — | 29.0% |
| AIME 2025 | — | 37.0% |
| SciCode | 27.5% | 13.7% |
| LCR | 59.0% | 13.0% |
| IFBench | 66.7% | 31.8% |
| TAU-bench v2 | 86.8% | 23.4% |
| TerminalBench Hard | 24.2% | 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 9B (Reasoning) has the strongest reasoning profile with a 38.4 reasoning score,combining the available reasoning-heavy benchmarks.
Qwen3.5 9B (Reasoning) reaches a 28.7 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 9B (Reasoning)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Qwen3 VL 4B Instruct
- Cost-sensitive applications
- High-volume processing
