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-Next 80B Thinking was created as a reasoning-enhanced variant, designed to incorporate extended analytical capabilities into the Qwen3-Next architecture. Built to handle complex problem-solving with mixture-of-experts efficiency, it serves applications requiring both deep reasoning and computational practicality.
5 days newer

Qwen3-Next-80B-A3B-Thinking
Alibaba Cloud / Qwen Team
2025-09-10

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-Next-80B-A3B-Thinking
Novita

GPT-5 Codex

Qwen3-Next-80B-A3B-Thinking

GPT-5 Codex

Qwen3-Next-80B-A3B-Thinking