GPT-5.1 Medium vs Qwen2.5 72B Instruct Comparison
Comparing GPT-5.1 Medium and Qwen2.5 72B Instruct across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.1 Medium and Qwen2.5 72B Instruct don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.1 Medium ($1.25/1M tokens) is 3.6x more expensive than Qwen2.5 72B Instruct ($0.35/1M tokens).
For output processing, GPT-5.1 Medium ($10.00/1M tokens) is 25.0x more expensive than Qwen2.5 72B Instruct ($0.40/1M tokens).
In conclusion, GPT-5.1 Medium is more expensive than Qwen2.5 72B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.1 Medium accepts 400,000 input tokens compared to Qwen2.5 72B Instruct's 131,072 tokens. GPT-5.1 Medium can generate longer responses up to 128,000 tokens, while Qwen2.5 72B Instruct is limited to 8,192 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.1 Medium supports multimodal inputs, whereas Qwen2.5 72B Instruct does not.
GPT-5.1 Medium can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.1 Medium
Qwen2.5 72B Instruct
License
Usage and distribution terms
GPT-5.1 Medium is licensed under a proprietary license, while Qwen2.5 72B Instruct uses Qwen.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Qwen
Open weights
Release Timeline
When each model was launched
GPT-5.1 Medium was released on 2025-11-12, while Qwen2.5 72B Instruct was released on 2024-09-19.
GPT-5.1 Medium is 14 months newer than Qwen2.5 72B Instruct.
Nov 12, 2025
4 months ago
1.1yr newerSep 19, 2024
1.5 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
GPT-5.1 Medium is available from OpenAI. Qwen2.5 72B Instruct is available from DeepInfra, Hyperbolic, Fireworks, Together. The availability of providers can affect quality of the model and reliability.
GPT-5.1 Medium
Qwen2.5 72B Instruct
Outputs Comparison
Key Takeaways
Qwen2.5 72B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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