Comprehensive side-by-side LLM comparison
Qwen3 30B A3B is available on 3 providers. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-5 Codex was developed as a specialized variant of GPT-5 optimized for programming and software development tasks. Built to understand and generate code across multiple programming languages, it serves developers with enhanced capabilities for code completion, debugging, translation, and explanation of complex codebases.
Alibaba Cloud / Qwen Team
Qwen3 30B was created with a mixture-of-experts architecture featuring 30 billion total parameters and 3 billion active parameters. Built to provide strong capabilities with efficient inference through sparse activation, it balances performance with practical computational requirements.
4 months newer

Qwen3 30B A3B
Alibaba Cloud / Qwen Team
2025-04-29

GPT-5 Codex
OpenAI
2025-09-15
Context window and performance specifications
GPT-5 Codex
2024-09-30
Available providers and their performance metrics

GPT-5 Codex

Qwen3 30B A3B
DeepInfra

GPT-5 Codex

Qwen3 30B A3B

GPT-5 Codex

Qwen3 30B A3B
Fireworks
Novita