Model Comparison
DeepSeek-V2.5 vs Qwen2 72B InstructWhich is better in 2026?
DeepSeek-V2.5 significantly outperforms across most benchmarks.
Verdict: DeepSeek-V2.5 vs Qwen2 72B Instruct — which is better?
DeepSeek-V2.5 (by DeepSeek) and Qwen2 72B Instruct (by Alibaba Cloud / Qwen Team) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
DeepSeek-V2.5 outperforms in 4 benchmarks (BBH, GSM8k, HumanEval, MATH), while Qwen2 72B Instruct is better at 1 benchmark (MMLU). DeepSeek-V2.5 significantly outperforms across most benchmarks.
Choose DeepSeek-V2.5 if…
- you want the strongest raw capability — it leads on 4 of 5 shared benchmarks
Choose Qwen2 72B Instruct if…
- you want the most recent training data — it shipped Jul 2024
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-V2.5 outperforms in 4 benchmarks (BBH, GSM8k, HumanEval, MATH), while Qwen2 72B Instruct is better at 1 benchmark (MMLU).
DeepSeek-V2.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Model Size
Parameter count comparison
DeepSeek-V2.5 has 164.0B more parameters than Qwen2 72B Instruct, making it 227.8% larger.
Context Window
Maximum input and output token capacity
Only DeepSeek-V2.5 specifies input context (8,192 tokens). Only DeepSeek-V2.5 specifies output context (8,192 tokens).
License
Usage and distribution terms
DeepSeek-V2.5 is licensed under deepseek, while Qwen2 72B Instruct uses tongyi-qianwen.
License differences may affect how you can use these models in commercial or open-source projects.
deepseek
Open weights
tongyi-qianwen
Open weights
Release Timeline
When each model was launched
DeepSeek-V2.5 was released on 2024-05-08, while Qwen2 72B Instruct was released on 2024-07-23.
Qwen2 72B Instruct is 3 months newer than DeepSeek-V2.5.
May 8, 2024
2.2 years ago
Jul 23, 2024
2.0 years ago
2mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Key Takeaways
DeepSeek-V2.5
View detailsDeepSeek
Qwen2 72B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against DeepSeek-V2.5 and Qwen2 72B Instruct side-by-side, then vote on the output you prefer.
| Feature | | |
|---|
FAQ
Common questions about DeepSeek-V2.5 vs Qwen2 72B Instruct.