Model Comparison
Solar Pro 2 (Reasoning)
vs. Tri-21B-Think
Comparing 2 AI models · 0 benchmarks · Upstage, Trillion Labs
Recommended Pick
TrTri-21B-Think2 metric winsStrongest on: Reasoning, Intelligence
Best Reasoning
Tri-21B-Think
12.3 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Reasoning gap
Tri-21B-Think leads Solar Pro 2 (Reasoning) by 3.5 points on reasoning.
Top-pick rationale
Tri-21B-Think 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 Pro 2 (Reasoning)
Upstage
TTFT
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tok/s
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Tri-21B-Think
Trillion Labs
TTFT
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Which answer was more useful?
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OpenAI-compatible inference
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Full Comparison
| Metric | Up Solar Pro 2 (Reasoning) | Top Pick Tr Tri-21B-Think |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | — |
| Output Cost | — | — |
| Specifications | ||
| Organization | Upstage | Trillion Labs |
| Release Date | Jul 9, 2025 | Feb 10, 2026 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 8.8 | 12.3 |
| Intelligence | 8.8 | 12.3 |
Key Takeaways
Tri-21B-Think has the strongest reasoning profile with a 12.3 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 Pro 2 (Reasoning)
- General-purpose AI
- Versatile applications
Tri-21B-Think
- Complex reasoning tasks
- Research & analysis
