Model Comparison
K3 (max)
vs. Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Comparing 2 AI models · 0 benchmarks · Kimi, Anthropic
Recommended Pick
KiK3 (max)6 metric winsStrongest on: Value, Input price, Output price
Best Value
K3 (max)
100.0 value score
43.6 reasoning / $6.00/1M
Lowest Price
K3 (max)
$3.00/1M input price
Best Reasoning
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
56.0 reasoning score
Blends available reasoning benchmarks
Best for Coding
K3 (max)
76.2 coding index
Differences That Matter
Best value
K3 (max) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
K3 (max) is 1.3x cheaper on input tokens than Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback).
Speed gap
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) generates about 2.1x as many tokens per second as K3 (max).
Reasoning gap
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) leads K3 (max) by 12.4 points on reasoning.
Top-pick rationale
K3 (max) 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.
K3 (max)
Kimi
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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Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Anthropic
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?
Secure AI Chat made in Europe
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Full Comparison
| Metric | Top Pick Ki K3 (max) | An Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $3.00/1M | $4.00/1M |
| Output Cost | $15.00/1M | $20.00/1M |
| Blended (3:1) | $6.00/1M | $8.00/1M |
| Specifications | ||
| Organization | Kimi | Anthropic |
| Release Date | Jul 16, 2026 | Sep 17, 2026 |
| Performance & Speed | ||
| Throughput | 37.0 tok/s | 76.2 tok/s |
| TTFT | 4150ms | 165200ms |
| Latency | 58210ms | 165200ms |
| Composite Indices | ||
| Value Score | 100.0 | 96.3 |
| Reasoning Score | 43.6 | 56.0 |
| Intelligence | 43.6 | 56.0 |
| Coding | 76.2 | — |
Key Takeaways
K3 (max) offers the best value at $3.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) has the strongest reasoning profile with a 56.0 reasoning score,combining the available reasoning-heavy benchmarks.
K3 (max) reaches a 76.2 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
K3 (max)
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
- Complex reasoning tasks
- Research & analysis
