Model Comparison
Gemini 3.5 Flash (minimal)
vs. Grok 4.1 Fast (Non-reasoning)
Comparing 2 AI models · 10 benchmarks · Google, xAI
Recommended Pick
Go Gemini 3.5 Flash (minimal) 10 metric wins Strongest on: Throughput, Reasoning, Intelligence
Lowest Price
Grok 4.1 Fast (Non-reasoning)
$0.00/1M input price
Best Reasoning
Gemini 3.5 Flash (minimal)
49.7 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.5 Flash (minimal)
47.1 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
Grok 4.1 Fast (Non-reasoning) is ∞x cheaper on input tokens than Gemini 3.5 Flash (minimal).
Reasoning gap
Gemini 3.5 Flash (minimal) leads Grok 4.1 Fast (Non-reasoning) by 17.5 points on reasoning.
Coding gap
Gemini 3.5 Flash (minimal) leads Grok 4.1 Fast (Non-reasoning) by 27.6 points on coding.
Top-pick rationale
Gemini 3.5 Flash (minimal) wins 10 measurable categories, including Throughput, Reasoning, Intelligence, Coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 3.5 Flash (minimal)
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 4.1 Fast (Non-reasoning)
xAI
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?
Full Comparison
| Metric | Top Pick Go Gemini 3.5 Flash (minimal) | xA Grok 4.1 Fast (Non-reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.50/1M | $0.00/1M |
| Output Cost | $9.00/1M | $0.00/1M |
| Blended (3:1) | $3.38/1M | — |
| Specifications | ||
| Organization | xAI | |
| Release Date | May 19, 2026 | Nov 19, 2025 |
| Performance & Speed | ||
| Throughput | 197.8 tok/s | — |
| TTFT | 865ms | — |
| Latency | 865ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 49.7 | 32.2 |
| Intelligence | 43.3 | 23.6 |
| Coding | 47.1 | 19.5 |
| Math | — | 34.3 |
| Standard Benchmarks | ||
| GPQA | 82.8% | 63.7% |
| MMLU Pro | — | 74.3% |
| HLE | 23.1% | 5.0% |
| LiveCodeBench | — | 39.9% |
| AIME 2025 | — | 34.3% |
| SciCode | 48.8% | 29.6% |
| LCR | 53.3% | 22.0% |
| IFBench | 47.3% | 36.5% |
| TAU-bench v2 | 58.8% | 63.7% |
| TerminalBench Hard | 46.2% | 14.4% |
Key Takeaways
Grok 4.1 Fast (Non-reasoning) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 3.5 Flash (minimal) has the strongest reasoning profile with a 49.7 reasoning score, combining the available reasoning-heavy benchmarks.
Gemini 3.5 Flash (minimal) reaches a 47.1 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
Gemini 3.5 Flash (minimal)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Grok 4.1 Fast (Non-reasoning)
- Cost-sensitive applications
- High-volume processing
