Model Comparison
Solar Mini
vs. Gemini 3.1 Pro Preview
Comparing 2 AI models · 8 benchmarks · Upstage, Google
Recommended Pick
Up Solar Mini 6 metric wins Strongest on: Value, Input price, Output price
Best Value
Solar Mini
100.0 value score
22.5 reasoning / $0.15/1M
Lowest Price
Solar Mini
$0.15/1M input price
Best Reasoning
Gemini 3.1 Pro Preview
65.3 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.1 Pro Preview
55.5 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Solar Mini has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Solar Mini is 13.3x cheaper on input tokens than Gemini 3.1 Pro Preview.
Speed gap
Gemini 3.1 Pro Preview generates about 1.9x as many tokens per second as Solar Mini.
Reasoning gap
Gemini 3.1 Pro Preview leads Solar Mini by 42.8 points on reasoning.
Top-pick rationale
Solar Mini wins 6 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Solar Mini
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Gemini 3.1 Pro Preview
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Top Pick Up Solar Mini | Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.15/1M | $2.00/1M |
| Output Cost | $0.15/1M | $12.00/1M |
| Blended (3:1) | $0.15/1M | $4.50/1M |
| Specifications | ||
| Organization | Upstage | |
| Release Date | Jan 25, 2024 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | 75.2 tok/s | 141.6 tok/s |
| TTFT | 970ms | 37060ms |
| Latency | 970ms | 37060ms |
| Composite Indices | ||
| Value Score | 100.0 | 9.7 |
| Reasoning Score | 22.5 | 65.3 |
| Intelligence | 11.9 | 57.2 |
| Coding | — | 55.5 |
| Standard Benchmarks | ||
| GPQA | — | 94.1% |
| HLE | — | 44.7% |
| MATH 500 | 33.1% | — |
| SciCode | — | 58.9% |
| LCR | — | 72.7% |
| IFBench | — | 77.1% |
| TAU-bench v2 | 20.2% | 95.6% |
| TerminalBench Hard | — | 53.8% |
Key Takeaways
Solar Mini offers the best value at $0.15/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 3.1 Pro Preview has the strongest reasoning profile with a 65.3 reasoning score, combining the available reasoning-heavy benchmarks.
Gemini 3.1 Pro Preview reaches a 55.5 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 Mini
- Cost-sensitive applications
- High-volume processing
Gemini 3.1 Pro Preview
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
