Model Comparison
Solar Pro 2 (Non-reasoning)
vs. GPT-5.6 Sol (max)
Comparing 2 AI models · 12 benchmarks · Upstage, OpenAI
Recommended Pick
OpGPT-5.6 Sol (max)10 metric winsStrongest on: Throughput, Reasoning, Intelligence
Lowest Price
Solar Pro 2 (Non-reasoning)
$0.00/1M input price
Best Reasoning
GPT-5.6 Sol (max)
66.7 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.6 Sol (max)
77.4 coding index
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 (Non-reasoning) is ∞x cheaper on input tokens than GPT-5.6 Sol (max).
Reasoning gap
GPT-5.6 Sol (max) leads Solar Pro 2 (Non-reasoning) by 30.0 points on reasoning.
Top-pick rationale
GPT-5.6 Sol (max) wins 10 measurable categories, including Throughput, Reasoning, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Solar Pro 2 (Non-reasoning)
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
GPT-5.6 Sol (max)
OpenAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Chat with leading AI models
Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.
EU-hosted inference
Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
Full Comparison
| Metric | Up Solar Pro 2 (Non-reasoning) | Top Pick Op GPT-5.6 Sol (max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $5.00/1M |
| Output Cost | $0.00/1M | $30.00/1M |
| Blended (3:1) | — | $11.25/1M |
| Specifications | ||
| Organization | Upstage | OpenAI |
| Release Date | Jul 9, 2025 | Jul 9, 2026 |
| Performance & Speed | ||
| Throughput | — | 90.9 tok/s |
| TTFT | — | 76929ms |
| Latency | — | 76929ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 36.7 | 66.7 |
| Intelligence | 7.8 | 58.9 |
| Coding | — | 77.4 |
| Math | 30.0 | — |
| Standard Benchmarks | ||
| GPQA | 56.1% | 94.1% |
| MMLU Pro | 75.0% | — |
| HLE | 3.8% | 47.2% |
| LiveCodeBench | 42.4% | — |
| MATH 500 | 88.9% | — |
| AIME 2025 | 30.0% | — |
| AIME (Original) | 40.7% | — |
| SciCode | 24.8% | 56.1% |
| LCR | 0.0% | 73.7% |
| IFBench | 33.7% | 72.7% |
| TAU-bench v2 | 31.9% | 85.1% |
| TerminalBench Hard | 4.5% | 65.9% |
Key Takeaways
Solar Pro 2 (Non-reasoning) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
GPT-5.6 Sol (max) has the strongest reasoning profile with a 66.7 reasoning score,combining the available reasoning-heavy benchmarks.
GPT-5.6 Sol (max) reaches a 77.4 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 (Non-reasoning)
- Cost-sensitive applications
- High-volume processing
GPT-5.6 Sol (max)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
