Model Comparison
GPT-5.4 (Xhigh)
vs. Gemini 3 Pro Preview (High)
Comparing 2 AI models · 0 benchmarks · OpenAI, Google
Recommended Pick
OpGPT-5.4 (Xhigh)3 metric winsStrongest on: Value, Reasoning, Intelligence
Best Value
GPT-5.4 (Xhigh)
100.0 value score
39.0 reasoning / $5.63/1M
Lowest Price
Gemini 3 Pro Preview (High)
$2.00/1M input price
Best Reasoning
GPT-5.4 (Xhigh)
39.0 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.4 (Xhigh)
71.1 coding index
Differences That Matter
Best value
GPT-5.4 (Xhigh) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3 Pro Preview (High) is 1.3x cheaper on input tokens than GPT-5.4 (Xhigh).
Reasoning gap
GPT-5.4 (Xhigh) leads Gemini 3 Pro Preview (High) by 11.0 points on reasoning.
Top-pick rationale
GPT-5.4 (Xhigh) wins 3 measurable categories, including Value, Reasoning, Intelligence.
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
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tok/s
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Tokens
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Cost
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Gemini 3 Pro Preview (High)
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 | Top Pick Op GPT-5.4 (Xhigh) | Go Gemini 3 Pro Preview (High) |
|---|---|---|
| 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 | Nov 18, 2025 |
| Performance & Speed | ||
| Throughput | 95.1 tok/s | — |
| TTFT | 192940ms | — |
| Latency | 192940ms | — |
| Composite Indices | ||
| Value Score | 100.0 | 89.7 |
| Reasoning Score | 39.0 | 28.0 |
| Intelligence | 39.0 | 28.0 |
| Coding | 71.1 | — |
Key Takeaways
Gemini 3 Pro Preview (High) offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.
GPT-5.4 (Xhigh) has the strongest reasoning profile with a 39.0 reasoning score,combining the available reasoning-heavy benchmarks.
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)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Gemini 3 Pro Preview (High)
- Cost-sensitive applications
- High-volume processing
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