Model Comparison
GPT-5.4 (xhigh)
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
62.9 reasoning / $4.50/1M
Lowest Price
Gemini 3.1 Pro Preview
$2.00/1M input price
Best for Coding
GPT-5.4 (xhigh)
71.1 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 1.3x cheaper on input tokens than GPT-5.4 (xhigh).
Coding gap
GPT-5.4 (xhigh) leads Gemini 3.1 Pro Preview by 2.3 points on coding.
Top-pick rationale
Gemini 3.1 Pro Preview wins 11 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.
GPT-5.4 (xhigh)
OpenAI
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
—
Gemini 3.1 Pro Preview
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Op GPT-5.4 (xhigh) | Top Pick Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.50/1M | $2.00/1M |
| Output Cost | $15.00/1M | $12.00/1M |
| Blended (3:1) | $5.63/1M | $4.50/1M |
| Specifications | ||
| Organization | OpenAI | |
| Release Date | Mar 5, 2026 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | — | 126.7 tok/s |
| TTFT | — | 23418ms |
| Latency | — | 23418ms |
| Composite Indices | ||
| Value Score | 80.0 | 100.0 |
| Reasoning Score | 62.9 | 62.9 |
| Intelligence | 53.1 | 47.7 |
| Coding | 71.1 | 68.8 |
| Standard Benchmarks | ||
| GPQA | 92.0% | 94.1% |
| HLE | 43.7% | 47.0% |
| SciCode | 56.6% | 58.9% |
| LCR | 77.7% | 79.0% |
| IFBench | 73.9% | 77.1% |
| TAU-bench v2 | 87.1% | 95.6% |
| TerminalBench Hard | 57.6% | 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-5.4 (xhigh) reaches a 71.1 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-5.4 (xhigh)
- Code generation
- Software development
Gemini 3.1 Pro Preview
- Cost-sensitive applications
- High-volume processing
