Model Comparison
Solar Mini
vs. Solar Pro 4
Comparing 2 AI models · 6 benchmarks · Upstage
Recommended Pick
UpSolar Mini6 metric winsStrongest on: Value, Input price, Output price
Best Value
Solar Mini
100.0 value score
19.6 reasoning / $0.15/1M
Lowest Price
Solar Mini
$0.15/1M input price
Best Reasoning
Solar Pro 4
53.3 reasoning score
Blends available reasoning benchmarks
Best for Coding
Solar Pro 4
52.7 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
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 2.0x cheaper on input tokens than Solar Pro 4.
Reasoning gap
Solar Pro 4 leads Solar Mini by 33.7 points on reasoning.
Top-pick rationale
Solar Mini 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.
Solar Mini
Upstage
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
—
Solar Pro 4
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Top Pick Up Solar Mini | Up Solar Pro 4 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | $0.30/1M |
| Output Cost | $0.15/1M | $1.20/1M |
| Blended (3:1) | $0.15/1M | $0.52/1M |
| Specifications | ||
| Organization | Upstage | Upstage |
| Release Date | Jan 25, 2024 | Aug 6, 2026 |
| Performance & Speed | ||
| Throughput | — | 66.3 tok/s |
| TTFT | — | 1239ms |
| Latency | — | 31422ms |
| Composite Indices | ||
| Value Score | 100.0 | 77.8 |
| Reasoning Score | 19.6 | 53.3 |
| Intelligence | 6.0 | 41.6 |
| Coding | — | 52.7 |
| Standard Benchmarks | ||
| GPQA | — | 89.1% |
| HLE | — | 29.2% |
| MATH 500 | 33.1% | — |
| SciCode | — | 43.6% |
| LCR | — | 70.7% |
| TAU-bench v2 | 20.2% | — |
Key Takeaways
Solar Mini offers the best value at $0.15/1M,making it ideal for high-volume applications and cost-conscious projects.
Solar Pro 4 has the strongest reasoning profile with a 53.3 reasoning score,combining the available reasoning-heavy benchmarks.
Solar Pro 4 reaches a 52.7 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
Solar Pro 4
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
