Model Comparison
Qwen3 30B A3B (Non-reasoning)
vs. Step 3.5 Flash
Comparing 2 AI models · 12 benchmarks · Alibaba, StepFun
Recommended Pick
StStep 3.5 Flash15 metric winsStrongest on: Value, Input price, Output price
Best Value
Step 3.5 Flash
100.0 value score
42.6 reasoning / $0.15/1M
Lowest Price
Step 3.5 Flash
$0.10/1M input price
Best Reasoning
Step 3.5 Flash
42.6 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
Best value
Step 3.5 Flash has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Step 3.5 Flash is 2.0x cheaper on input tokens than Qwen3 30B A3B (Non-reasoning).
Speed gap
Step 3.5 Flash generates about 1.8x as many tokens per second as Qwen3 30B A3B (Non-reasoning).
Reasoning gap
Step 3.5 Flash leads Qwen3 30B A3B (Non-reasoning) by 11.3 points on reasoning.
Top-pick rationale
Step 3.5 Flash wins 15 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3 30B A3B (Non-reasoning)
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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Step 3.5 Flash
StepFun
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 | Al Qwen3 30B A3B (Non-reasoning) | Top Pick St Step 3.5 Flash |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.20/1M | $0.10/1M |
| Output Cost | $0.80/1M | $0.30/1M |
| Blended (3:1) | $0.35/1M | $0.15/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | Apr 28, 2025 | Feb 2, 2026 |
| Performance & Speed | ||
| Throughput | 114.8 tok/s | 212.3 tok/s |
| TTFT | 1022ms | 745ms |
| Latency | 1022ms | 10167ms |
| Composite Indices | ||
| Value Score | 31.4 | 100.0 |
| Reasoning Score | 31.2 | 42.6 |
| Intelligence | 6.8 | 25.5 |
| Math | 21.7 | — |
| Standard Benchmarks | ||
| GPQA | 51.5% | 83.1% |
| MMLU Pro | 71.0% | — |
| HLE | 4.6% | 19.1% |
| LiveCodeBench | 32.2% | — |
| MATH 500 | 86.3% | — |
| AIME 2025 | 21.7% | — |
| AIME (Original) | 26.0% | — |
| SciCode | 26.4% | 40.4% |
| LCR | 0.0% | 43.0% |
| IFBench | 31.9% | 64.6% |
| TAU-bench v2 | 22.2% | 94.4% |
| TerminalBench Hard | 6.8% | 27.3% |
Key Takeaways
Step 3.5 Flash offers the best value at $0.10/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 3.5 Flash has the strongest reasoning profile with a 42.6 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 30B A3B (Non-reasoning)
- General-purpose AI
- Versatile applications
Step 3.5 Flash
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
