Model Comparison
Qwen3.5 Omni Flash
vs. Step 5 Preview
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 10x cheaper on input tokens than Step 5 Preview.
Speed gap
Qwen3.5 Omni Flash generates about 1.4x as many tokens per second as Step 5 Preview.
Top-pick rationale
Qwen3.5 Omni Flash wins 5 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
—
Step 5 Preview
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Secure AI Chat made in Europe
Chat with EU-Hosted Models like Deepseek, Qwen & Kimi: open-weight, transparent, no lock-in.
EU-hosted open models, one API
Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.
Full Comparison
| Metric | Top Pick Al Qwen3.5 Omni Flash | St Step 5 Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $1.00/1M |
| Output Cost | $0.80/1M | $2.70/1M |
| Blended (3:1) | $0.28/1M | $1.43/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | Mar 30, 2026 | Sep 18, 2026 |
| Performance & Speed | ||
| Throughput | 227.2 tok/s | 159.0 tok/s |
| TTFT | 1770ms | 890ms |
| Latency | 1770ms | 13470ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | — | 28.5 |
| Intelligence | — | 28.5 |
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 5 Preview
- General-purpose AI
- Versatile applications