Key Takeaways
Kimi K2 0905 (exacto) wins:
- Cheaper input tokens
- Cheaper output tokens
- Better at coding
- Better at math
- Supports tool calls
Kimi K2.5 wins:
- Faster response time
- Higher intelligence benchmark
- Supports vision
Price Advantage
Kimi K2 0905 (exacto)
Benchmark Advantage
Kimi K2 0905 (exacto)
Context Window
Kimi K2.5
Speed
Kimi K2.5
Pricing Comparison
Price Comparison
| Metric | Kimi K2 0905 (exacto) | Kimi K2.5 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.39 | $0.50 | Kimi K2 0905 (exacto) |
| Output (per 1M tokens) | $1.90 | $2.80 | Kimi K2 0905 (exacto) |
Using a 3:1 input/output ratio, Kimi K2 0905 (exacto) is 29% cheaper overall.
Kimi K2 0905 (exacto) Providers
Chutes $0.39 (Cheapest)
SiliconFlow $0.40
DeepInfra $0.40
Parasail $0.59
AtlasCloud $0.60
Kimi K2.5 Providers
Together $0.50 (Cheapest)
AtlasCloud $0.56
GMICloud $0.57
Novita $0.57
Parasail $0.60
Benchmark Comparison
6
Benchmarks Compared
0
Kimi K2 0905 (exacto) Wins
2
Kimi K2.5 Wins
Benchmark Scores
| Benchmark | Kimi K2 0905 (exacto) | Kimi K2.5 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 30.8 | 37.2 | |
Coding Index Code generation & understanding | 25.9 | 25.8 | - |
Math Index Mathematical reasoning | 57.3 | - | - |
MMLU Pro Academic knowledge | 81.9 | - | - |
GPQA Graduate-level science | 76.7 | 78.9 | |
LiveCodeBench Competitive programming | 61.0 | - | - |
Kimi K2 0905 (exacto) shows stronger mathematical reasoning abilities.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
Kimi K2 0905 (exacto)
Other models
Context & Performance
Context Window
Kimi K2 0905 (exacto)
262,144
tokens
Max output: 262,144 tokens
Kimi K2.5
262,144
tokens
Speed Performance
| Metric | Kimi K2 0905 (exacto) | Kimi K2.5 | Winner |
|---|---|---|---|
| Tokens/second | 51.7 tok/s | 106.7 tok/s | |
| Time to First Token | 0.54s | 0.87s |
Kimi K2.5 responds 106% faster on average.
Capabilities
Feature Comparison
| Feature | Kimi K2 0905 (exacto) | Kimi K2.5 |
|---|---|---|
| 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 K2.5 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Moonshotai | Moonshotai |
| Released | Sep 2025 | Jan 2026 |
Kimi K2 0905 (exacto) Modalities
Input
text
Output
text
Kimi K2.5 Modalities
Input
textimage
Output
text