Model Comparison
Qwen3 VL 4B Instruct
vs. Step3 VL 10B
Comparing 2 AI models · 10 benchmarks · Alibaba, StepFun
Recommended Pick
St Step3 VL 10B 8 metric wins Strongest on: Reasoning, Intelligence, Coding
Lowest Price
Qwen3 VL 4B Instruct
$0.00/1M input price
Best Reasoning
Step3 VL 10B
31.6 reasoning score
Blends available reasoning benchmarks
Best for Coding
Step3 VL 10B
13.9 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Reasoning gap
Step3 VL 10B leads Qwen3 VL 4B Instruct by 6.7 points on reasoning.
Coding gap
Step3 VL 10B leads Qwen3 VL 4B Instruct by 9.3 points on coding.
Top-pick rationale
Step3 VL 10B wins 8 measurable categories, including Reasoning, Intelligence, Coding, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3 VL 4B Instruct
Alibaba
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
—
Step3 VL 10B
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Al Qwen3 VL 4B Instruct | Top Pick St Step3 VL 10B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.00/1M |
| Output Cost | $0.00/1M | $0.00/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | Oct 14, 2025 | Jan 20, 2026 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 24.9 | 31.6 |
| Intelligence | 9.6 | 15.5 |
| Coding | 4.6 | 13.9 |
| Math | 37.0 | — |
| Standard Benchmarks | ||
| GPQA | 37.1% | 69.0% |
| MMLU Pro | 63.4% | — |
| HLE | 3.7% | 10.2% |
| LiveCodeBench | 29.0% | — |
| AIME 2025 | 37.0% | — |
| SciCode | 13.7% | 31.1% |
| LCR | 13.0% | 0.0% |
| IFBench | 31.8% | 50.2% |
| TAU-bench v2 | 23.4% | 16.1% |
| TerminalBench Hard | 0.0% | 5.3% |
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.
Step3 VL 10B has the strongest reasoning profile with a 31.6 reasoning score, combining the available reasoning-heavy benchmarks.
Step3 VL 10B reaches a 13.9 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 Instruct
- Cost-sensitive applications
- High-volume processing
Step3 VL 10B
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
