Model Comparison
Gemini 3.1 Pro Preview
vs. Grok 4.6 (high)
Comparing 2 AI models · 7 benchmarks · Google, SpaceXAI
Recommended Pick
SpGrok 4.6 (high)7 metric winsStrongest on: Value, Output price, Blended price
Best Value
Grok 4.6 (high)
100.0 value score
66.2 reasoning / $3.00/1M
Lowest Price
Gemini 3.1 Pro Preview
$2.00/1M input price
Best Reasoning
Grok 4.6 (high)
66.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
Grok 4.6 (high)
76.8 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
Grok 4.6 (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Speed gap
Gemini 3.1 Pro Preview generates about 1.9x as many tokens per second as Grok 4.6 (high).
Reasoning gap
Grok 4.6 (high) leads Gemini 3.1 Pro Preview by 3.3 points on reasoning.
Coding gap
Grok 4.6 (high) leads Gemini 3.1 Pro Preview by 8.0 points on coding.
Top-pick rationale
Grok 4.6 (high) wins 7 measurable categories, including Value, Output price, Blended price, Reasoning.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
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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Grok 4.6 (high)
SpaceXAI
TTFT
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Time
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tok/s
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Tokens
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Which answer was more useful?
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Full Comparison
| Metric | Go Gemini 3.1 Pro Preview | Top Pick Sp Grok 4.6 (high) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $2.00/1M |
| Output Cost | $12.00/1M | $6.00/1M |
| Blended (3:1) | $4.50/1M | $3.00/1M |
| Specifications | ||
| Organization | SpaceXAI | |
| Release Date | Feb 19, 2026 | Aug 12, 2026 |
| Performance & Speed | ||
| Throughput | 126.8 tok/s | 67.4 tok/s |
| TTFT | 20912ms | 49322ms |
| Latency | 20912ms | 49322ms |
| Composite Indices | ||
| Value Score | 63.3 | 100.0 |
| Reasoning Score | 62.9 | 66.2 |
| Intelligence | 47.7 | 60.9 |
| Coding | 68.8 | 76.8 |
| Standard Benchmarks | ||
| GPQA | 94.1% | 94.9% |
| HLE | 47.0% | 42.9% |
| SciCode | 58.9% | 53.6% |
| LCR | 79.0% | 75.0% |
| IFBench | 77.1% | — |
| TAU-bench v2 | 95.6% | — |
| TerminalBench Hard | 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.
Grok 4.6 (high) has the strongest reasoning profile with a 66.2 reasoning score,combining the available reasoning-heavy benchmarks.
Grok 4.6 (high) reaches a 76.8 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
Gemini 3.1 Pro Preview
- Cost-sensitive applications
- High-volume processing
Grok 4.6 (high)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
