Model Comparison
Solar Pro 2 (Preview) (Reasoning)
vs. Solar Pro 3
Comparing 2 AI models · 0 benchmarks · Upstage
Lowest Price
Solar Pro 3
$0.15/1M input price
Best for Coding
Solar Pro 3
16.2 coding index
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Solar Pro 2 (Preview) (Reasoning)
Upstage
TTFT
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Time
—
tok/s
—
Tokens
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Cost
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Solar Pro 3
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Up Solar Pro 2 (Preview) (Reasoning) | Up Solar Pro 3 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | $0.15/1M |
| Output Cost | — | $0.60/1M |
| Blended (3:1) | — | $0.26/1M |
| Specifications | ||
| Organization | Upstage | Upstage |
| Release Date | May 20, 2025 | Apr 6, 2026 |
| Performance & Speed | ||
| Throughput | — | 142.2 tok/s |
| TTFT | — | 1260ms |
| Latency | — | 15330ms |
| Composite Indices | ||
| Coding | — | 16.2 |
Key Takeaways
Solar Pro 3 offers the best value at $0.15/1M,making it ideal for high-volume applications and cost-conscious projects.
Solar Pro 3 reaches a 16.2 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 Pro 2 (Preview) (Reasoning)
- General-purpose AI
- Versatile applications
Solar Pro 3
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development
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