GPT-5.3 Codex vs Qwen3 30B A3B Comparison
Comparing GPT-5.3 Codex and Qwen3 30B A3B across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.3 Codex and Qwen3 30B A3B 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-5.3 Codex ($1.75/1M tokens) is 17.5x more expensive than Qwen3 30B A3B ($0.10/1M tokens).
For output processing, GPT-5.3 Codex ($14.00/1M tokens) is 46.7x more expensive than Qwen3 30B A3B ($0.30/1M tokens).
In conclusion, GPT-5.3 Codex is more expensive than Qwen3 30B A3B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.3 Codex accepts 400,000 input tokens compared to Qwen3 30B A3B's 128,000 tokens. Both models can generate responses up to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.3 Codex supports multimodal inputs, whereas Qwen3 30B A3B does not.
GPT-5.3 Codex can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.3 Codex
Qwen3 30B A3B
License
Usage and distribution terms
GPT-5.3 Codex is licensed under a proprietary license, while Qwen3 30B A3B 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-5.3 Codex was released on 2026-02-05, while Qwen3 30B A3B was released on 2025-04-29.
GPT-5.3 Codex is 9 months newer than Qwen3 30B A3B.
Feb 5, 2026
1 months ago
9mo newerApr 29, 2025
10 months 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-5.3 Codex is available from OpenAI. Qwen3 30B A3B is available from DeepInfra, Novita, Fireworks. The availability of providers can affect quality of the model and reliability.
GPT-5.3 Codex
Qwen3 30B A3B
Outputs Comparison
Key Takeaways
Qwen3 30B A3B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
| Feature | | |
|---|