GPT-5 Codex vs Qwen3.5-9B Comparison
Comparing GPT-5 Codex and Qwen3.5-9B across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5 Codex and Qwen3.5-9B 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.
Input Capabilities
Supported data types and modalities
Qwen3.5-9B supports multimodal inputs, whereas GPT-5 Codex does not.
Qwen3.5-9B can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5 Codex
Qwen3.5-9B
License
Usage and distribution terms
GPT-5 Codex is licensed under a proprietary license, while Qwen3.5-9B 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 Codex was released on 2025-09-15, while Qwen3.5-9B was released on 2026-03-02.
Qwen3.5-9B is 6 months newer than GPT-5 Codex.
Sep 15, 2025
6 months ago
Mar 2, 2026
2 weeks ago
5mo newerKnowledge Cutoff
When training data ends
GPT-5 Codex has a documented knowledge cutoff of 2024-09-30, while Qwen3.5-9B's cutoff date is not specified.
We can confirm GPT-5 Codex's training data extends to 2024-09-30, but cannot make a direct comparison without Qwen3.5-9B's cutoff date.
Sep 2024
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Outputs Comparison
Key Takeaways
GPT-5 Codex
View detailsOpenAI
Qwen3.5-9B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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