Model Comparison

GPT-5 Codex vs Qwen2.5 14B Instruct

Comparing GPT-5 Codex and Qwen2.5 14B Instruct across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5 Codex and Qwen2.5 14B 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

Cost data unavailable.

Lowest available price from all providers
Fri May 01 2026 • llm-stats.com
OpenAI
GPT-5 Codex
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Alibaba Cloud / Qwen Team
Qwen2.5 14B Instruct
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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License

Usage and distribution terms

GPT-5 Codex is licensed under a proprietary license, while Qwen2.5 14B Instruct uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-5 Codex

Proprietary

Closed source

Qwen2.5 14B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5 Codex was released on 2025-09-15, while Qwen2.5 14B Instruct was released on 2024-09-19.

GPT-5 Codex is 12 months newer than Qwen2.5 14B Instruct.

GPT-5 Codex

Sep 15, 2025

7 months ago

12mo newer
Qwen2.5 14B Instruct

Sep 19, 2024

1.6 years ago

Knowledge Cutoff

When training data ends

GPT-5 Codex has a documented knowledge cutoff of 2024-09-30, while Qwen2.5 14B Instruct'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 Qwen2.5 14B Instruct's cutoff date.

GPT-5 Codex

Sep 2024

Qwen2.5 14B Instruct

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Outputs Comparison

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Key Takeaways

OpenAI
Alibaba Cloud / Qwen Team

Qwen2.5 14B Instruct

View details

Alibaba Cloud / Qwen Team

Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5 Codex
Alibaba Cloud / Qwen Team
Qwen2.5 14B Instruct

FAQ

Common questions about GPT-5 Codex vs Qwen2.5 14B Instruct

GPT-5 Codex (OpenAI) and Qwen2.5 14B Instruct (Alibaba Cloud / Qwen Team) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
GPT-5 Codex scores SWE-Bench Verified: 74.5%. Qwen2.5 14B Instruct scores GSM8k: 94.8%, HumanEval: 83.5%, MBPP: 82.0%, MATH: 80.0%, MMLU-Redux: 80.0%.
Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
GPT-5 Codex is developed by OpenAI and Qwen2.5 14B Instruct is developed by Alibaba Cloud / Qwen Team.