Model Comparison
Step 5 Preview
vs. Hy4
Comparing 2 AI models · 0 benchmarks · StepFun, Tencent
Recommended Pick
TeHy46 metric winsStrongest on: Value, Input price, Output price
Best Value
Hy4
100.0 value score
34.6 reasoning / $1.25/1M
Lowest Price
Hy4
$0.83/1M input price
Best Reasoning
Hy4
34.6 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Hy4 has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Hy4 is 1.2x cheaper on input tokens than Step 5 Preview.
Reasoning gap
Hy4 leads Step 5 Preview by 6.1 points on reasoning.
Top-pick rationale
Hy4 wins 6 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.
Step 5 Preview
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Hy4
Tencent
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | St Step 5 Preview | Top Pick Te Hy4 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.00/1M | $0.83/1M |
| Output Cost | $2.70/1M | $2.50/1M |
| Blended (3:1) | $1.43/1M | $1.25/1M |
| Specifications | ||
| Organization | StepFun | Tencent |
| Release Date | Sep 18, 2026 | Nov 3, 2026 |
| Performance & Speed | ||
| Throughput | 167.7 tok/s | — |
| TTFT | 940ms | — |
| Latency | 12860ms | — |
| Composite Indices | ||
| Value Score | 72.3 | 100.0 |
| Reasoning Score | 28.5 | 34.6 |
| Intelligence | 28.5 | 34.6 |
Key Takeaways
Hy4 offers the best value at $0.83/1M,making it ideal for high-volume applications and cost-conscious projects.
Hy4 has the strongest reasoning profile with a 34.6 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
Step 5 Preview
- General-purpose AI
- Versatile applications
Hy4
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
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