Model Comparison
Gemini 4 Carbon (High)
vs. K3.1 Pro
Comparing 2 AI models · 0 benchmarks · Google, Kimi
Recommended Pick
Strongest on: Value, Input price, Output price
Best Value
K3.1 Pro
100.0 value score
46.0 reasoning / $4.00/1M
Lowest Price
K3.1 Pro
$2.00/1M input price
Best Reasoning
Gemini 4 Carbon (High)
59.4 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
K3.1 Pro has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
K3.1 Pro is 2.0x cheaper on input tokens than Gemini 4 Carbon (High).
Speed gap
Gemini 4 Carbon (High) generates about 2.6x as many tokens per second as K3.1 Pro.
Reasoning gap
Gemini 4 Carbon (High) leads K3.1 Pro by 13.4 points on reasoning.
Top-pick rationale
K3.1 Pro wins 6 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 4 Carbon (High)
TTFT
—
Time
—
tok/s
—
Tokens
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Cost
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K3.1 Pro
Kimi
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Go Gemini 4 Carbon (High) | Top Pick Ki K3.1 Pro |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $4.00/1M | $2.00/1M |
| Output Cost | $20.00/1M | $10.00/1M |
| Blended (3:1) | $8.00/1M | $4.00/1M |
| Specifications | ||
| Organization | Kimi | |
| Release Date | Oct 28, 2026 | Oct 23, 2026 |
| Performance & Speed | ||
| Throughput | 82.5 tok/s | 32.2 tok/s |
| TTFT | 100530ms | 3030ms |
| Latency | 100530ms | 65060ms |
| Composite Indices | ||
| Value Score | 64.6 | 100.0 |
| Reasoning Score | 59.4 | 46.0 |
| Intelligence | 59.4 | 46.0 |
Key Takeaways
K3.1 Pro offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Gemini 4 Carbon (High) has the strongest reasoning profile with a 59.4 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Gemini 4 Carbon (High)
- Complex reasoning tasks
- Research & analysis
K3.1 Pro
- Cost-sensitive applications
- High-volume processing