Model Comparison
Mixtral 8x7B Instruct
vs. Gemini 3.1 Pro Preview
Comparing 2 AI models · 11 benchmarks · Mistral, Google
Recommended Pick
Go Gemini 3.1 Pro Preview 6 metric wins Strongest on: Throughput, Reasoning, Intelligence
Best Value
Mixtral 8x7B Instruct
100.0 value score
13.2 reasoning / $0.51/1M
Lowest Price
Mixtral 8x7B Instruct
$0.45/1M input price
Best Reasoning
Gemini 3.1 Pro Preview
61.8 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.1 Pro Preview
68.8 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
Mixtral 8x7B Instruct has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Mixtral 8x7B Instruct is 4.4x cheaper on input tokens than Gemini 3.1 Pro Preview.
Reasoning gap
Gemini 3.1 Pro Preview leads Mixtral 8x7B Instruct by 48.6 points on reasoning.
Top-pick rationale
Gemini 3.1 Pro Preview wins 6 measurable categories, including Throughput, Reasoning, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Mixtral 8x7B Instruct
Mistral
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 3.1 Pro Preview
TTFT
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Time
—
tok/s
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Tokens
—
Cost
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Which answer was more useful?
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Full Comparison
| Metric | Mi Mixtral 8x7B Instruct | Top Pick Go Gemini 3.1 Pro Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.45/1M | $2.00/1M |
| Output Cost | $0.70/1M | $12.00/1M |
| Blended (3:1) | $0.51/1M | $4.50/1M |
| Specifications | ||
| Organization | Mistral | |
| Release Date | Dec 11, 2023 | Feb 19, 2026 |
| Performance & Speed | ||
| Throughput | — | 138.1 tok/s |
| TTFT | — | 29762ms |
| Latency | — | 29762ms |
| Composite Indices | ||
| Value Score | 100.0 | 53.3 |
| Reasoning Score | 13.2 | 61.8 |
| Intelligence | 2.4 | 46.5 |
| Coding | — | 68.8 |
| Standard Benchmarks | ||
| GPQA | 29.2% | 94.1% |
| MMLU Pro | 38.7% | — |
| HLE | 4.5% | 44.7% |
| LiveCodeBench | 6.6% | — |
| MATH 500 | 29.9% | — |
| AIME (Original) | 0.0% | — |
| SciCode | 2.8% | 58.9% |
| LCR | — | 72.7% |
| IFBench | — | 77.1% |
| TAU-bench v2 | — | 95.6% |
| TerminalBench Hard | — | 53.8% |
Key Takeaways
Mixtral 8x7B Instruct offers the best value at $0.45/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 3.1 Pro Preview has the strongest reasoning profile with a 61.8 reasoning score, combining the available reasoning-heavy benchmarks.
Gemini 3.1 Pro Preview reaches a 68.8 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
Mixtral 8x7B Instruct
- Cost-sensitive applications
- High-volume processing
Gemini 3.1 Pro Preview
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
