Model Comparison
Solar Mini
vs. Step 3.7 Flash
Comparing 2 AI models · 0 benchmarks · Upstage, StepFun
Recommended Pick
Strongest on: Value, Reasoning, Intelligence
Best Value
Step 3.7 Flash
100.0 value score
19.5 reasoning / $0.44/1M
Lowest Price
Solar Mini
$0.15/1M input price
Best Reasoning
Step 3.7 Flash
19.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Step 3.7 Flash
39.6 coding index
Differences That Matter
Best value
Step 3.7 Flash has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Solar Mini is 1.3x cheaper on input tokens than Step 3.7 Flash.
Reasoning gap
Step 3.7 Flash leads Solar Mini by 13.1 points on reasoning.
Top-pick rationale
Step 3.7 Flash wins 3 measurable categories, including Value, Reasoning, Intelligence.
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 3.7 Flash
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Up Solar Mini | Top Pick St Step 3.7 Flash |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | $0.20/1M |
| Output Cost | $0.15/1M | $1.15/1M |
| Blended (3:1) | $0.15/1M | $0.44/1M |
| Specifications | ||
| Organization | Upstage | StepFun |
| Release Date | Jan 25, 2024 | May 29, 2026 |
| Performance & Speed | ||
| Throughput | — | 192.7 tok/s |
| TTFT | — | 2560ms |
| Latency | — | 12930ms |
| Composite Indices | ||
| Value Score | 95.7 | 100.0 |
| Reasoning Score | 6.4 | 19.5 |
| Intelligence | 6.4 | 19.5 |
| Coding | — | 39.6 |
Key Takeaways
Solar Mini offers the best value at $0.15/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 3.7 Flash has the strongest reasoning profile with a 19.5 reasoning score,combining the available reasoning-heavy benchmarks.
Step 3.7 Flash reaches a 39.6 coding index,making it the top choice for software development and code generation tasks.
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 3.7 Flash
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development