Model Comparison
GPT-5.6 Sol (high)
vs. Gemini 3.1 Pro Preview
Comparing 2 AI models · 7 benchmarks · OpenAI, Google
Recommended Pick
GoGemini 3.1 Pro Preview11 metric winsStrongest on: Value, Input price, Output price
Best Value
Gemini 3.1 Pro Preview
100.0 value score
61.8 reasoning / $4.50/1M
Lowest Price
Gemini 3.1 Pro Preview
$2.00/1M input price
Best Reasoning
GPT-5.6 Sol (high)
64.3 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.6 Sol (high)
77.2 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
Gemini 3.1 Pro Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3.1 Pro Preview is 2.5x cheaper on input tokens than GPT-5.6 Sol (high).
Speed gap
Gemini 3.1 Pro Preview generates about 2.2x as many tokens per second as GPT-5.6 Sol (high).
Reasoning gap
GPT-5.6 Sol (high) leads Gemini 3.1 Pro Preview by 2.5 points on reasoning.
Coding gap
GPT-5.6 Sol (high) leads Gemini 3.1 Pro Preview by 8.4 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-5.6 Sol (high)
OpenAI
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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Gemini 3.1 Pro Preview
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 | Op GPT-5.6 Sol (high) | Top Pick Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $5.00/1M | $2.00/1M |
| Output Cost | $30.00/1M | $12.00/1M |
| Blended (3:1) | $11.25/1M | $4.50/1M |
| Specifications | ||
| Organization | OpenAI | |
| Release Date | Jul 9, 2026 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | 61.3 tok/s | 134.9 tok/s |
| TTFT | 13791ms | 19700ms |
| Latency | 13791ms | 19700ms |
| Composite Indices | ||
| Value Score | 41.6 | 100.0 |
| Reasoning Score | 64.3 | 61.8 |
| Intelligence | 55.9 | 46.5 |
| Coding | 77.2 | 68.8 |
| Standard Benchmarks | ||
| GPQA | 92.8% | 94.1% |
| HLE | 44.1% | 44.7% |
| SciCode | 56.9% | 58.9% |
| LCR | 68.3% | 72.7% |
| IFBench | 69.2% | 77.1% |
| TAU-bench v2 | 83.3% | 95.6% |
| TerminalBench Hard | 62.1% | 53.8% |
Key Takeaways
Gemini 3.1 Pro Preview offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.
GPT-5.6 Sol (high) has the strongest reasoning profile with a 64.3 reasoning score,combining the available reasoning-heavy benchmarks.
GPT-5.6 Sol (high) reaches a 77.2 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
GPT-5.6 Sol (high)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Gemini 3.1 Pro Preview
- Cost-sensitive applications
- High-volume processing
