Model Comparison
Solar Mini
vs. Solar Pro 2 (Preview) (Reasoning)
Comparing 2 AI models · 8 benchmarks · Upstage
Recommended Pick
UpSolar Pro 2 (Preview) (Reasoning)7 metric winsStrongest on: Input price, Output price, TTFT
Lowest Price
Solar Pro 2 (Preview) (Reasoning)
$0.00/1M input price
Best Reasoning
Solar Pro 2 (Preview) (Reasoning)
46.5 reasoning score
Blends available reasoning benchmarks
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
Solar Pro 2 (Preview) (Reasoning) is ∞x cheaper on input tokens than Solar Mini.
Reasoning gap
Solar Pro 2 (Preview) (Reasoning) leads Solar Mini by 26.8 points on reasoning.
Top-pick rationale
Solar Pro 2 (Preview) (Reasoning) wins 7 measurable categories, including Input price, Output price, TTFT, Latency.
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
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Tokens
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Cost
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Solar Pro 2 (Preview) (Reasoning)
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Up Solar Mini | Top Pick Up Solar Pro 2 (Preview) (Reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | $0.00/1M |
| Output Cost | $0.15/1M | $0.00/1M |
| Blended (3:1) | $0.15/1M | — |
| Specifications | ||
| Organization | Upstage | Upstage |
| Release Date | Jan 25, 2024 | May 20, 2025 |
| Performance & Speed | ||
| Throughput | 78.2 tok/s | — |
| TTFT | 744ms | — |
| Latency | 744ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 19.7 | 46.5 |
| Intelligence | 6.2 | 12.5 |
| Standard Benchmarks | ||
| GPQA | — | 57.8% |
| MMLU Pro | — | 76.8% |
| HLE | — | 5.7% |
| LiveCodeBench | — | 46.2% |
| MATH 500 | 33.1% | 90.0% |
| AIME (Original) | — | 66.3% |
| SciCode | — | 16.4% |
| TAU-bench v2 | 20.2% | — |
Key Takeaways
Solar Pro 2 (Preview) (Reasoning) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Solar Pro 2 (Preview) (Reasoning) has the strongest reasoning profile with a 46.5 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
- General-purpose AI
- Versatile applications
Solar Pro 2 (Preview) (Reasoning)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
