Model Comparison
Gemini 3.1 Pro Preview
vs. Kimi K2.5 (Non-reasoning)
Comparing 2 AI models · 7 benchmarks · Google, MoonshotAI
Recommended Pick
Go Gemini 3.1 Pro Preview 11 metric wins Strongest on: Throughput, Reasoning, Intelligence
Best Value
Kimi K2.5 (Non-reasoning)
100.0 value score
42.8 reasoning / $1.20/1M
Lowest Price
Kimi K2.5 (Non-reasoning)
$0.60/1M input price
Best Reasoning
Gemini 3.1 Pro Preview
65.3 reasoning score
Blends available reasoning benchmarks
Best for Coding
Gemini 3.1 Pro Preview
55.5 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
Kimi K2.5 (Non-reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Kimi K2.5 (Non-reasoning) is 3.3x cheaper on input tokens than Gemini 3.1 Pro Preview.
Speed gap
Gemini 3.1 Pro Preview generates about 3.3x as many tokens per second as Kimi K2.5 (Non-reasoning).
Reasoning gap
Gemini 3.1 Pro Preview leads Kimi K2.5 (Non-reasoning) by 22.5 points on reasoning.
Coding gap
Gemini 3.1 Pro Preview leads Kimi K2.5 (Non-reasoning) by 29.7 points on coding.
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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Kimi K2.5 (Non-reasoning)
MoonshotAI
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 3.1 Pro Preview | Mo Kimi K2.5 (Non-reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $0.60/1M |
| Output Cost | $12.00/1M | $3.00/1M |
| Blended (3:1) | $4.50/1M | $1.20/1M |
| Specifications | ||
| Organization | MoonshotAI | |
| Release Date | Feb 19, 2026 | Jan 27, 2026 |
| Performance & Speed | ||
| Throughput | 135.9 tok/s | 41.3 tok/s |
| TTFT | 28145ms | 1251ms |
| Latency | 28145ms | 1251ms |
| Composite Indices | ||
| Value Score | 40.7 | 100.0 |
| Reasoning Score | 65.3 | 42.8 |
| Intelligence | 57.2 | 37.3 |
| Coding | 55.5 | 25.8 |
| Standard Benchmarks | ||
| GPQA | 94.1% | 78.9% |
| HLE | 44.7% | 12.3% |
| SciCode | 58.9% | 39.6% |
| LCR | 72.7% | 59.0% |
| IFBench | 77.1% | 43.7% |
| TAU-bench v2 | 95.6% | 81.3% |
| TerminalBench Hard | 53.8% | 18.9% |
Key Takeaways
Kimi K2.5 (Non-reasoning) offers the best value at $0.60/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 3.1 Pro Preview has the strongest reasoning profile with a 65.3 reasoning score, combining the available reasoning-heavy benchmarks.
Gemini 3.1 Pro Preview reaches a 55.5 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
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
Kimi K2.5 (Non-reasoning)
- Cost-sensitive applications
- High-volume processing
