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QwQ 32BvsQwen 2.5 72B

Alibaba DAMO vs Alibaba DAMO — Side-by-side model comparison

Qwen 2.5 72B leads 3/5 categories

Head-to-Head Comparison

MetricQwQ 32BQwen 2.5 72B
Provider
Arena Rank
#6
Context Window
32K
128K
Input Pricing
Free (open)/1M tokens
Free (open)/1M tokens
Output Pricing
Free (open)/1M tokens
Free (open)/1M tokens
Parameters
32B
72B
Open Source
Yes
Yes
Best For
Reasoning, math, logical problem-solving
Multilingual, coding, math, reasoning
Release Date
Nov 28, 2024
Sep 19, 2024

QwQ 32B

QwQ 32B, developed by Alibaba DAMO Academy, is an open-source reasoning model with 32 billion parameters and a 32K token context window. The model uses chain-of-thought reasoning to solve complex mathematical, logical, and scientific problems through step-by-step deliberation. QwQ demonstrates that reasoning capabilities, previously exclusive to large proprietary models like OpenAI's o1, can be achieved in compact open-source form. It excels at competition-level mathematics, formal logic, and multi-step problem solving. Free and fully open-source, QwQ 32B can run on a single high-end GPU, making advanced reasoning accessible without massive infrastructure investments. The model represents Alibaba's entry into the reasoning model category and has been well-received by the research community for its efficient approach to deliberative AI.

View Alibaba DAMO profile →

Qwen 2.5 72B

Qwen 2.5 72B, developed by Alibaba DAMO Academy, is a high-capability open-source model with 72 billion parameters and a 128K token context window. The model demonstrates strong performance across multilingual understanding, coding, mathematical reasoning, and general knowledge tasks, with particular strength in Chinese and English. Trained on a diverse corpus exceeding 18 trillion tokens, Qwen 2.5 72B achieves competitive scores against proprietary models on major benchmarks including MMLU, HumanEval, and GSM8K. Free and open-source under a permissive license, it supports commercial deployment and fine-tuning. The model has been widely adopted across the Asian developer community and serves as a foundation for numerous specialized applications. Qwen 2.5 72B ranks #6 on the Chatbot Arena leaderboard, confirming its position among the strongest open-weight models globally.

View Alibaba DAMO profile →

Key Differences: QwQ 32B vs Qwen 2.5 72B

1

Qwen 2.5 72B supports a larger context window (128K), allowing it to process longer documents in a single request.

2

QwQ 32B has 32B parameters vs Qwen 2.5 72B's 72B, which affects inference speed and capability.

Q

When to use QwQ 32B

  • +Your use case involves reasoning, math, logical problem-solving
View full QwQ 32B specs →
Q

When to use Qwen 2.5 72B

  • +You need to process long documents (128K context)
  • +Your use case involves multilingual, coding, math, reasoning
View full Qwen 2.5 72B specs →

The Verdict

Qwen 2.5 72B wins our head-to-head comparison with 3 out of 5 category wins. It's the stronger choice for multilingual, coding, math, reasoning, though QwQ 32B holds an edge in reasoning, math, logical problem-solving.

Last compared: April 2026 · Data sourced from public benchmarks and official pricing pages

Frequently Asked Questions

Which is better, QwQ 32B or Qwen 2.5 72B?
In our head-to-head comparison, Qwen 2.5 72B leads in 3 out of 5 categories (arena rank, context window, input pricing, output pricing, and parameters). Qwen 2.5 72B excels at multilingual, coding, math, reasoning, while QwQ 32B is better suited for reasoning, math, logical problem-solving. The best choice depends on your specific requirements, budget, and use case.
How does QwQ 32B pricing compare to Qwen 2.5 72B?
QwQ 32B charges Free (open) per 1M input tokens and Free (open) per 1M output tokens. Qwen 2.5 72B charges Free (open) per 1M input tokens and Free (open) per 1M output tokens. For high-volume production workloads, the pricing difference can significantly impact total cost of ownership.
What is the context window difference between QwQ 32B and Qwen 2.5 72B?
QwQ 32B supports a 32K token context window, while Qwen 2.5 72B supports 128K tokens. Qwen 2.5 72B can process longer documents, codebases, and conversations in a single request. Context window size matters most for tasks involving long documents, large codebases, or extended conversations.
Can I use QwQ 32B or Qwen 2.5 72B for free?
QwQ 32B is a paid API model starting at Free (open) per 1M input tokens. Qwen 2.5 72B is a paid API model starting at Free (open) per 1M input tokens. Open-source models can be self-hosted for free but require your own GPU infrastructure.
Which model has better benchmarks, QwQ 32B or Qwen 2.5 72B?
QwQ 32B's arena rank is not yet available, while Qwen 2.5 72B holds rank #6. Note that benchmarks don't capture every use case — we recommend testing both models on your specific tasks.
Is QwQ 32B or Qwen 2.5 72B better for coding?
QwQ 32B's primary strength is reasoning, math, logical problem-solving. Qwen 2.5 72B is specifically optimized for coding tasks. For coding specifically, arena rank and code-specific benchmarks are the best indicators of performance.