Model Comparison
Kimi K2-Thinking-0905 vs Qwen2.5 72B Instruct
Kimi K2-Thinking-0905 significantly outperforms across most benchmarks. Qwen2.5 72B Instruct is 2.4x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K2-Thinking-0905 outperforms in 3 benchmarks (GPQA, MMLU-Pro, MMLU-Redux), while Qwen2.5 72B Instruct is better at 0 benchmarks.
Kimi K2-Thinking-0905 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Kimi K2-Thinking-0905 ($0.47/1M tokens) is 1.3x more expensive than Qwen2.5 72B Instruct ($0.35/1M tokens).
For output processing, Kimi K2-Thinking-0905 ($2.00/1M tokens) is 5.0x more expensive than Qwen2.5 72B Instruct ($0.40/1M tokens).
In conclusion, Kimi K2-Thinking-0905 is more expensive than Qwen2.5 72B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Kimi K2-Thinking-0905 has 927.3B more parameters than Qwen2.5 72B Instruct, making it 1275.5% larger.
Context Window
Maximum input and output token capacity
Kimi K2-Thinking-0905 accepts 262,144 input tokens compared to Qwen2.5 72B Instruct's 131,072 tokens. Kimi K2-Thinking-0905 can generate longer responses up to 262,144 tokens, while Qwen2.5 72B Instruct is limited to 8,192 tokens.
License
Usage and distribution terms
Kimi K2-Thinking-0905 is licensed under MIT, while Qwen2.5 72B Instruct uses Qwen.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Qwen
Open weights
Release Timeline
When each model was launched
Kimi K2-Thinking-0905 was released on 2025-09-05, while Qwen2.5 72B Instruct was released on 2024-09-19.
Kimi K2-Thinking-0905 is 12 months newer than Qwen2.5 72B Instruct.
Sep 5, 2025
7 months ago
11mo newerSep 19, 2024
1.6 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Kimi K2-Thinking-0905 is available from DeepInfra, Novita, Fireworks. Qwen2.5 72B Instruct is available from DeepInfra, Hyperbolic, Fireworks, Together.
Kimi K2-Thinking-0905
Qwen2.5 72B Instruct
Outputs Comparison
Key Takeaways
Kimi K2-Thinking-0905
View detailsMoonshot AI
Qwen2.5 72B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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FAQ
Common questions about Kimi K2-Thinking-0905 vs Qwen2.5 72B Instruct