Model Comparison
Qwen3 VL 4B (Reasoning)
vs. Qwen3 VL 8B Instruct
Comparing 2 AI models · 10 benchmarks · Alibaba
Recommended Pick
Al Qwen3 VL 4B (Reasoning) 10 metric wins Strongest on: Input price, Output price, TTFT
Lowest Price
Qwen3 VL 4B (Reasoning)
$0.00/1M input price
Best Reasoning
Qwen3 VL 4B (Reasoning)
23.8 reasoning score
Blends available reasoning benchmarks
Best for Coding
Qwen3 VL 8B Instruct
7.3 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 (Reasoning) is ∞x cheaper on input tokens than Qwen3 VL 8B Instruct.
Reasoning gap
Qwen3 VL 4B (Reasoning) leads Qwen3 VL 8B Instruct by 0.9 points on reasoning.
Coding gap
Qwen3 VL 8B Instruct leads Qwen3 VL 4B (Reasoning) by 0.6 points on coding.
Top-pick rationale
Qwen3 VL 4B (Reasoning) wins 10 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 VL 4B (Reasoning)
Alibaba
TTFT
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Time
—
tok/s
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Tokens
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Cost
—
Qwen3 VL 8B Instruct
Alibaba
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Top Pick Al Qwen3 VL 4B (Reasoning) | Al Qwen3 VL 8B Instruct |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.18/1M |
| Output Cost | $0.00/1M | $0.70/1M |
| Blended (3:1) | — | $0.31/1M |
| Specifications | ||
| Organization | Alibaba | Alibaba |
| Release Date | Oct 14, 2025 | Oct 14, 2025 |
| Performance & Speed | ||
| Throughput | — | 144.7 tok/s |
| TTFT | — | 924ms |
| Latency | — | 924ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 23.8 | 22.9 |
| Intelligence | 13.7 | 14.3 |
| Coding | 6.7 | 7.3 |
| Math | 25.7 | 27.3 |
| Standard Benchmarks | ||
| GPQA | 49.4% | 42.7% |
| MMLU Pro | 70.0% | 68.6% |
| HLE | 4.4% | 2.9% |
| LiveCodeBench | 32.0% | 33.2% |
| AIME 2025 | 25.7% | 27.3% |
| SciCode | 17.1% | 17.4% |
| LCR | 21.3% | 15.3% |
| IFBench | 36.6% | 32.3% |
| TAU-bench v2 | 15.5% | 29.2% |
| TerminalBench Hard | 1.5% | 2.3% |
Key Takeaways
Qwen3 VL 4B (Reasoning) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Qwen3 VL 4B (Reasoning) has the strongest reasoning profile with a 23.8 reasoning score, combining the available reasoning-heavy benchmarks.
Qwen3 VL 8B Instruct reaches a 7.3 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 VL 4B (Reasoning)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Qwen3 VL 8B Instruct
- Code generation
- Software development
