Model Comparison
Solar Pro 3
vs. Tri-21B-Think
Comparing 2 AI models · 0 benchmarks · Upstage, Trillion Labs
Recommended Pick
UpSolar Pro 32 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Solar Pro 3
$0.15/1M input price
Best Reasoning
Solar Pro 3
14.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Solar Pro 3
16.2 coding index
Differences That Matter
Reasoning gap
Solar Pro 3 leads Tri-21B-Think by 2.2 points on reasoning.
Top-pick rationale
Solar Pro 3 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 3
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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Tri-21B-Think
Trillion Labs
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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OpenAI-compatible inference
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Full Comparison
| Metric | Top Pick Up Solar Pro 3 | Tr Tri-21B-Think |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | — |
| Output Cost | $0.60/1M | — |
| Blended (3:1) | $0.26/1M | — |
| Specifications | ||
| Organization | Upstage | Trillion Labs |
| Release Date | Apr 6, 2026 | Feb 10, 2026 |
| Performance & Speed | ||
| Throughput | 143.9 tok/s | — |
| TTFT | 2440ms | — |
| Latency | 16330ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 14.5 | 12.3 |
| Intelligence | 14.5 | 12.3 |
| 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 has the strongest reasoning profile with a 14.5 reasoning score,combining the available reasoning-heavy benchmarks.
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 3
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Tri-21B-Think
- General-purpose AI
- Versatile applications
