Model Comparison
3.5 (1210)
vs. Solar Pro 2 (Non-reasoning)
Comparing 2 AI models · 12 benchmarks · OpenChat, Upstage
Recommended Pick
UpSolar Pro 2 (Non-reasoning)7 metric winsStrongest on: Reasoning, Intelligence, GPQA
Lowest Price
3.5 (1210)
$0.00/1M input price
Best Reasoning
Solar Pro 2 (Non-reasoning)
36.7 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
Reasoning gap
Solar Pro 2 (Non-reasoning) leads 3.5 (1210) by 24.4 points on reasoning.
Top-pick rationale
Solar Pro 2 (Non-reasoning) wins 7 measurable categories, including Reasoning, Intelligence, GPQA, MMLU Pro.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
3.5 (1210)
OpenChat
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Solar Pro 2 (Non-reasoning)
Upstage
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 | Op 3.5 (1210) | Top Pick Up Solar Pro 2 (Non-reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.00/1M |
| Output Cost | $0.00/1M | $0.00/1M |
| Specifications | ||
| Organization | OpenChat | Upstage |
| Release Date | Dec 18, 2023 | Jul 9, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 12.3 | 36.7 |
| Intelligence | 3.0 | 7.8 |
| Math | — | 30.0 |
| Standard Benchmarks | ||
| GPQA | 23.0% | 56.1% |
| MMLU Pro | 31.0% | 75.0% |
| HLE | 4.8% | 3.8% |
| LiveCodeBench | 11.5% | 42.4% |
| MATH 500 | 30.7% | 88.9% |
| AIME 2025 | — | 30.0% |
| AIME (Original) | 0.0% | 40.7% |
| SciCode | — | 24.8% |
| LCR | — | 0.0% |
| IFBench | — | 33.7% |
| TAU-bench v2 | — | 31.9% |
| TerminalBench Hard | — | 4.5% |
Key Takeaways
3.5 (1210) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Solar Pro 2 (Non-reasoning) has the strongest reasoning profile with a 36.7 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
3.5 (1210)
- Cost-sensitive applications
- High-volume processing
Solar Pro 2 (Non-reasoning)
- Complex reasoning tasks
- Research & analysis
