Model Comparison
Qwen3.5 Omni Flash
vs. Step 3.7 Flash
Comparing 2 AI models · 0 benchmarks · Alibaba, StepFun
Recommended Pick
Strongest on: Input price, Output price, Blended price
Lowest Price
Qwen3.5 Omni Flash
$0.10/1M input price
Differences That Matter
Price gap
Qwen3.5 Omni Flash is 2.0x cheaper on input tokens than Step 3.7 Flash.
Speed gap
Qwen3.5 Omni Flash generates about 1.1x as many tokens per second as Step 3.7 Flash.
Top-pick rationale
Qwen3.5 Omni Flash wins 6 measurable categories, including Input price, Output price, Blended price, Throughput.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3.5 Omni Flash
Alibaba
TTFT
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Time
—
tok/s
—
Tokens
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Cost
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Step 3.7 Flash
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Top Pick Al Qwen3.5 Omni Flash | St Step 3.7 Flash |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $0.20/1M |
| Output Cost | $0.80/1M | $1.15/1M |
| Blended (3:1) | $0.28/1M | $0.44/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | Mar 30, 2026 | May 29, 2026 |
| Performance & Speed | ||
| Throughput | 234.1 tok/s | 213.7 tok/s |
| TTFT | 1820ms | 2490ms |
| Latency | 1820ms | 11850ms |
Key Takeaways
Qwen3.5 Omni Flash offers the best value at $0.10/1M,making it ideal for high-volume applications and cost-conscious projects.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Qwen3.5 Omni Flash
- Cost-sensitive applications
- High-volume processing
Step 3.7 Flash
- General-purpose AI
- Versatile applications