Model Comparison
Solar Mini
vs. Step 5 Preview
Comparing 2 AI models · 0 benchmarks · Upstage, StepFun
Recommended Pick
UpSolar Mini3 metric winsStrongest on: Input price, Output price, Blended price
Lowest Price
Solar Mini
$0.15/1M input price
Differences That Matter
Price gap
Solar Mini is 6.7x cheaper on input tokens than Step 5 Preview.
Top-pick rationale
Solar Mini wins 3 measurable categories, including 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.
Solar Mini
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Step 5 Preview
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Top Pick Up Solar Mini | St Step 5 Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | $1.00/1M |
| Output Cost | $0.15/1M | $2.70/1M |
| Blended (3:1) | $0.15/1M | $1.43/1M |
| Specifications | ||
| Organization | Upstage | StepFun |
| Release Date | Jan 25, 2024 | Sep 18, 2026 |
| Performance & Speed | ||
| Throughput | — | 161.2 tok/s |
| TTFT | — | 880ms |
| Latency | — | 13280ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | — | 28.5 |
| Intelligence | — | 28.5 |
Key Takeaways
Solar Mini offers the best value at $0.15/1M,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
Solar Mini
- Cost-sensitive applications
- High-volume processing
Step 5 Preview
- General-purpose AI
- Versatile applications
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