Model Comparison
Grok 4.6 (high)
vs. Gemini 3.8 Flash (high)
Comparing 2 AI models · 0 benchmarks · SpaceXAI, Google
Recommended Pick
GoGemini 3.8 Flash (high)7 metric winsStrongest on: Value, Input price, Output price
Best Value
Gemini 3.8 Flash (high)
100.0 value score
41.2 reasoning / $1.50/1M
Lowest Price
Gemini 3.8 Flash (high)
$0.75/1M input price
Best Reasoning
Grok 4.6 (high)
44.4 reasoning score
Blends available reasoning benchmarks
Best for Coding
Grok 4.6 (high)
76.8 coding index
Differences That Matter
Best value
Gemini 3.8 Flash (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3.8 Flash (high) is 2.7x cheaper on input tokens than Grok 4.6 (high).
Speed gap
Gemini 3.8 Flash (high) generates about 4.8x as many tokens per second as Grok 4.6 (high).
Reasoning gap
Grok 4.6 (high) leads Gemini 3.8 Flash (high) by 3.2 points on reasoning.
Coding gap
Grok 4.6 (high) leads Gemini 3.8 Flash (high) by 0.5 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
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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Cost
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Gemini 3.8 Flash (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 | Sp Grok 4.6 (high) | Top Pick Go Gemini 3.8 Flash (high) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $0.75/1M |
| Output Cost | $6.00/1M | $3.75/1M |
| Blended (3:1) | $3.00/1M | $1.50/1M |
| Specifications | ||
| Organization | SpaceXAI | |
| Release Date | Aug 12, 2026 | Sep 2, 2026 |
| Performance & Speed | ||
| Throughput | 58.5 tok/s | 280.8 tok/s |
| TTFT | 38160ms | 15650ms |
| Latency | 38160ms | 15650ms |
| Composite Indices | ||
| Value Score | 53.9 | 100.0 |
| Reasoning Score | 44.4 | 41.2 |
| Intelligence | 44.4 | 41.2 |
| Coding | 76.8 | 76.3 |
Key Takeaways
Gemini 3.8 Flash (high) offers the best value at $0.75/1M,making it ideal for high-volume applications and cost-conscious projects.
Grok 4.6 (high) has the strongest reasoning profile with a 44.4 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
Grok 4.6 (high)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Gemini 3.8 Flash (high)
- Cost-sensitive applications
- High-volume processing
