Model Comparison
Grok-4.1 Fast Non-Reasoning vs Qwen2.5 VL 72B InstructWhich is better in 2026?
Comparing Grok-4.1 Fast Non-Reasoning and Qwen2.5 VL 72B Instruct across benchmarks, pricing, and capabilities.
Verdict: Grok-4.1 Fast Non-Reasoning vs Qwen2.5 VL 72B Instruct — which is better?
Grok-4.1 Fast Non-Reasoning (by xAI) and Qwen2.5 VL 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.
Choose Grok-4.1 Fast Non-Reasoning if…
- you want the most recent training data — it shipped Nov 2025
Choose Qwen2.5 VL 72B Instruct if…
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Grok-4.1 Fast Non-Reasoning and Qwen2.5 VL 72B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Grok-4.1 Fast Non-Reasoning specifies input context (2,000,000 tokens). Only Grok-4.1 Fast Non-Reasoning specifies output context (30,000 tokens).
Input Capabilities
Supported data types and modalities
Both Grok-4.1 Fast Non-Reasoning and Qwen2.5 VL 72B Instruct support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Grok-4.1 Fast Non-Reasoning
Qwen2.5 VL 72B Instruct
License
Usage and distribution terms
Grok-4.1 Fast Non-Reasoning is licensed under a proprietary license, while Qwen2.5 VL 72B Instruct uses tongyi-qianwen.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
tongyi-qianwen
Open weights
Release Timeline
When each model was launched
Grok-4.1 Fast Non-Reasoning was released on 2025-11-17, while Qwen2.5 VL 72B Instruct was released on 2025-01-26.
Grok-4.1 Fast Non-Reasoning is 10 months newer than Qwen2.5 VL 72B Instruct.
Nov 17, 2025
7 months ago
9mo newerJan 26, 2025
1.4 years ago
Knowledge 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
Qwen2.5 VL 72B Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Grok-4.1 Fast Non-Reasoning and Qwen2.5 VL 72B Instruct side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Grok-4.1 Fast Non-Reasoning vs Qwen2.5 VL 72B Instruct.