Model Comparison
Qwen2.5 Instruct 72B
vs. Solar Pro 2 (Preview) (Reasoning)
Comparing 2 AI models · 12 benchmarks · Alibaba, Upstage
Recommended Pick
UpSolar Pro 2 (Preview) (Reasoning)10 metric winsStrongest on: Input price, Output price, Reasoning
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 Qwen2.5 Instruct 72B.
Reasoning gap
Solar Pro 2 (Preview) (Reasoning) leads Qwen2.5 Instruct 72B by 18.9 points on reasoning.
Top-pick rationale
Solar Pro 2 (Preview) (Reasoning) wins 10 measurable categories, including Input price, Output price, Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen2.5 Instruct 72B
Alibaba
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 (Preview) (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 | Al Qwen2.5 Instruct 72B | Top Pick Up Solar Pro 2 (Preview) (Reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.47/1M | $0.00/1M |
| Output Cost | $0.49/1M | $0.00/1M |
| Blended (3:1) | $0.48/1M | — |
| Specifications | ||
| Organization | Alibaba | Upstage |
| Release Date | Sep 19, 2024 | May 20, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 27.5 | 46.5 |
| Intelligence | 9.6 | 12.5 |
| Math | 14.0 | — |
| Standard Benchmarks | ||
| GPQA | 49.1% | 57.8% |
| MMLU Pro | 72.0% | 76.8% |
| HLE | 4.2% | 5.7% |
| LiveCodeBench | 27.6% | 46.2% |
| MATH 500 | 85.8% | 90.0% |
| AIME 2025 | 14.0% | — |
| AIME (Original) | 16.0% | 66.3% |
| SciCode | 26.7% | 16.4% |
| LCR | 20.3% | — |
| IFBench | 36.9% | — |
| TAU-bench v2 | 34.5% | — |
| TerminalBench Hard | 4.5% | — |
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
Qwen2.5 Instruct 72B
- General-purpose AI
- Versatile applications
Solar Pro 2 (Preview) (Reasoning)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
