Model Comparison
Solar Mini 4
vs. Solar Pro 2 (Reasoning)
Comparing 2 AI models · 0 benchmarks · Upstage
Recommended Pick
UpSolar Mini 42 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Solar Mini 4
$0.10/1M input price
Best Reasoning
Solar Mini 4
24.1 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Reasoning gap
Solar Mini 4 leads Solar Pro 2 (Reasoning) by 16.6 points on reasoning.
Top-pick rationale
Solar Mini 4 wins 2 measurable categories, including Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Solar Mini 4
Upstage
TTFT
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Time
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tok/s
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Tokens
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Cost
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Solar Pro 2 (Reasoning)
Upstage
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Up Solar Mini 4 | Up Solar Pro 2 (Reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | — |
| Output Cost | $0.40/1M | — |
| Blended (3:1) | $0.18/1M | — |
| Specifications | ||
| Organization | Upstage | Upstage |
| Release Date | Sep 22, 2026 | Jul 9, 2025 |
| Performance & Speed | ||
| Throughput | 81.1 tok/s | — |
| TTFT | 1840ms | — |
| Latency | 26510ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 24.1 | 7.5 |
| Intelligence | 24.1 | 7.5 |
Key Takeaways
Solar Mini 4 offers the best value at $0.10/1M,making it ideal for high-volume applications and cost-conscious projects.
Solar Mini 4 has the strongest reasoning profile with a 24.1 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 4
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Solar Pro 2 (Reasoning)
- General-purpose AI
- Versatile applications
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