Key Takeaways
Kimi K2 0905 (exacto) wins:
- Cheaper input tokens
Kimi K2 Thinking wins:
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Kimi K2 0905 (exacto)
Benchmark Advantage
Kimi K2 Thinking
Context Window
Kimi K2 Thinking
Speed
Kimi K2 Thinking
Pricing Comparison
Price Comparison
| Metric | Kimi K2 0905 (exacto) | Kimi K2 Thinking | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.39 | $0.40 | Kimi K2 0905 (exacto) |
| Output (per 1M tokens) | $1.90 | $1.75 | Kimi K2 Thinking |
Using a 3:1 input/output ratio, Kimi K2 Thinking is 4% cheaper overall.
Kimi K2 0905 (exacto) Providers
Chutes $0.39 (Cheapest)
SiliconFlow $0.40
DeepInfra $0.40
Parasail $0.59
AtlasCloud $0.60
Kimi K2 Thinking Providers
Chutes $0.40 (Cheapest)
DeepInfra $0.47
Parasail $0.50
SiliconFlow $0.55
AtlasCloud $0.60
Benchmark Comparison
6
Benchmarks Compared
0
Kimi K2 0905 (exacto) Wins
6
Kimi K2 Thinking Wins
Benchmark Scores
| Benchmark | Kimi K2 0905 (exacto) | Kimi K2 Thinking | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 30.8 | 40.7 | |
Coding Index Code generation & understanding | 25.9 | 34.8 | |
Math Index Mathematical reasoning | 57.3 | 94.7 | |
MMLU Pro Academic knowledge | 81.9 | 84.8 | |
GPQA Graduate-level science | 76.7 | 83.8 | |
LiveCodeBench Competitive programming | 61.0 | 85.3 |
Kimi K2 Thinking significantly outperforms in coding benchmarks.
Cost vs Quality
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Kimi K2 0905 (exacto)
Other models
Context & Performance
Context Window
Kimi K2 0905 (exacto)
262,144
tokens
Max output: 262,144 tokens
Kimi K2 Thinking
262,144
tokens
Max output: 65,535 tokens
Speed Performance
| Metric | Kimi K2 0905 (exacto) | Kimi K2 Thinking | Winner |
|---|---|---|---|
| Tokens/second | 51.7 tok/s | 95.3 tok/s | |
| Time to First Token | 0.54s | 0.60s |
Kimi K2 Thinking responds 84% faster on average.
Capabilities
Feature Comparison
| Feature | Kimi K2 0905 (exacto) | Kimi K2 Thinking |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Kimi K2 0905 (exacto) | Kimi K2 Thinking |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Moonshotai | Moonshotai |
| Released | Sep 2025 | Nov 2025 |
Kimi K2 0905 (exacto) Modalities
Input
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Output
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Kimi K2 Thinking Modalities
Input
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Output
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