Comprehensive side-by-side LLM comparison
. 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 235B Thinking was developed as a reasoning-enhanced variant, designed to incorporate extended thinking capabilities into the large-scale Qwen3 architecture. Built to combine deliberate analytical processing with mixture-of-experts efficiency, it serves tasks requiring both deep reasoning and computational practicality.
1 month newer

Qwen3-235B-A22B-Thinking-2507
Alibaba Cloud / Qwen Team
2025-07-25

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

Qwen3-235B-A22B-Thinking-2507
Novita

GPT-5 Codex

Qwen3-235B-A22B-Thinking-2507

GPT-5 Codex

Qwen3-235B-A22B-Thinking-2507