Key Takeaways
Kimi K2 Thinking wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Qwen3 Coder Flash wins:
- Cheaper input tokens
- Cheaper output tokens
Price Advantage
Qwen3 Coder Flash
Benchmark Advantage
Kimi K2 Thinking
Context Window
Kimi K2 Thinking
Speed
Kimi K2 Thinking
Pricing Comparison
Price Comparison
| Metric | Kimi K2 Thinking | Qwen3 Coder Flash | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.40 | $0.30 | Qwen3 Coder Flash |
| Output (per 1M tokens) | $1.75 | $1.50 | Qwen3 Coder Flash |
| Cache Read (per 1M) | N/A | $80000.00 | Qwen3 Coder Flash |
Using a 3:1 input/output ratio, Qwen3 Coder Flash is 19% cheaper overall.
Kimi K2 Thinking Providers
Chutes $0.40 (Cheapest)
DeepInfra $0.47
Parasail $0.50
SiliconFlow $0.55
AtlasCloud $0.60
Qwen3 Coder Flash Providers
Alibaba $0.30 (Cheapest)
Benchmark Comparison
6
Benchmarks Compared
0
Kimi K2 Thinking Wins
0
Qwen3 Coder Flash Wins
Benchmark Scores
| Benchmark | Kimi K2 Thinking | Qwen3 Coder Flash | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 40.7 | - | - |
Coding Index Code generation & understanding | 34.8 | - | - |
Math Index Mathematical reasoning | 94.7 | - | - |
MMLU Pro Academic knowledge | 84.8 | - | - |
GPQA Graduate-level science | 83.8 | - | - |
LiveCodeBench Competitive programming | 85.3 | - | - |
Kimi K2 Thinking significantly outperforms in coding benchmarks.
Cost vs Quality
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Kimi K2 Thinking
Other models
Context & Performance
Context Window
Kimi K2 Thinking
262,144
tokens
Max output: 65,535 tokens
Qwen3 Coder Flash
128,000
tokens
Max output: 65,536 tokens
Kimi K2 Thinking has a 51% larger context window.
Speed Performance
| Metric | Kimi K2 Thinking | Qwen3 Coder Flash | Winner |
|---|---|---|---|
| Tokens/second | 96.2 tok/s | N/A | |
| Time to First Token | 0.59s | N/A |
Capabilities
Feature Comparison
| Feature | Kimi K2 Thinking | Qwen3 Coder Flash |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Kimi K2 Thinking | Qwen3 Coder Flash |
|---|---|---|
| License | Proprietary | Open Source |
| Author | Moonshotai | Qwen |
| Released | Nov 2025 | Sep 2025 |
Kimi K2 Thinking Modalities
Input
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Output
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Qwen3 Coder Flash Modalities
Input
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Output
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