GPT-5.1 Medium vs Qwen3.5-4B Comparison
Comparing GPT-5.1 Medium and Qwen3.5-4B across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.1 Medium and Qwen3.5-4B 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
Cost data unavailable.
Context Window
Maximum input and output token capacity
Only GPT-5.1 Medium specifies input context (400,000 tokens). Only GPT-5.1 Medium specifies output context (128,000 tokens).
Input Capabilities
Supported data types and modalities
Both GPT-5.1 Medium and Qwen3.5-4B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.1 Medium
Qwen3.5-4B
License
Usage and distribution terms
GPT-5.1 Medium is licensed under a proprietary license, while Qwen3.5-4B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-5.1 Medium was released on 2025-11-12, while Qwen3.5-4B was released on 2026-03-02.
Qwen3.5-4B is 4 months newer than GPT-5.1 Medium.
Nov 12, 2025
4 months ago
Mar 2, 2026
2 weeks ago
3mo 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
Qwen3.5-4B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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