Model Comparison
Solar Mini
vs. Step 5 Preview
Comparing 2 AI models · 0 benchmarks · Upstage, StepFun
Recommended Pick
UpSolar Mini4 metric winsStrongest on: Value, Input price, Output price
Best Value
Solar Mini
100.0 value score
6.4 reasoning / $0.15/1M
Lowest Price
Solar Mini
$0.15/1M input price
Best Reasoning
Step 5 Preview
43.7 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Solar Mini has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Solar Mini is 6.7x cheaper on input tokens than Step 5 Preview.
Reasoning gap
Step 5 Preview leads Solar Mini by 37.3 points on reasoning.
Top-pick rationale
Solar Mini wins 4 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.
Solar Mini
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Step 5 Preview
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Secure AI Chat made in Europe
Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.
EU-hosted inference
Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
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 | — | 91.5 tok/s |
| TTFT | — | 3100ms |
| Latency | — | 24960ms |
| Composite Indices | ||
| Value Score | 100.0 | 71.9 |
| Reasoning Score | 6.4 | 43.7 |
| Intelligence | 6.4 | 43.7 |
Key Takeaways
Solar Mini offers the best value at $0.15/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 5 Preview has the strongest reasoning profile with a 43.7 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
Solar Mini
- Cost-sensitive applications
- High-volume processing
Step 5 Preview
- Complex reasoning tasks
- Research & analysis
