Model Comparison
Qwen3.8 27B (Xhigh)
vs. Step 5 Preview
Comparing 2 AI models · 0 benchmarks · Alibaba, StepFun
Recommended Pick
StStep 5 Preview7 metric winsStrongest on: Value, Output price, Throughput
Best Value
Step 5 Preview
100.0 value score
28.5 reasoning / $1.43/1M
Lowest Price
Qwen3.8 27B (Xhigh)
$0.50/1M input price
Best Reasoning
Step 5 Preview
28.5 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Step 5 Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Qwen3.8 27B (Xhigh) is 2.0x cheaper on input tokens than Step 5 Preview.
Speed gap
Step 5 Preview generates about 3.8x as many tokens per second as Qwen3.8 27B (Xhigh).
Reasoning gap
Step 5 Preview leads Qwen3.8 27B (Xhigh) by 8.4 points on reasoning.
Top-pick rationale
Step 5 Preview wins 7 measurable categories, including Value, Output price, Throughput, TTFT.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3.8 27B (Xhigh)
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 5 Preview
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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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 | Al Qwen3.8 27B (Xhigh) | Top Pick St Step 5 Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.50/1M | $1.00/1M |
| Output Cost | $3.00/1M | $2.70/1M |
| Blended (3:1) | $1.13/1M | $1.43/1M |
| Specifications | ||
| Organization | Alibaba | StepFun |
| Release Date | Aug 14, 2026 | Sep 18, 2026 |
| Performance & Speed | ||
| Throughput | 43.0 tok/s | 165.1 tok/s |
| TTFT | 3980ms | 880ms |
| Latency | 50520ms | 12990ms |
| Composite Indices | ||
| Value Score | 89.3 | 100.0 |
| Reasoning Score | 20.1 | 28.5 |
| Intelligence | 20.1 | 28.5 |
Key Takeaways
Qwen3.8 27B (Xhigh) offers the best value at $0.50/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 5 Preview has the strongest reasoning profile with a 28.5 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
Qwen3.8 27B (Xhigh)
- Cost-sensitive applications
- High-volume processing
Step 5 Preview
- Complex reasoning tasks
- Research & analysis
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