What is the difference between GPT-5 Codex and Qwen3 Max Thinking?

GPT-5 Codex is developed by OpenAI while Qwen3 Max Thinking is developed by Qwen. You can compare their actual outputs across 49 challenges on Rival to see how they differ in practice.

Which is better, GPT-5 Codex or Qwen3 Max Thinking?

It depends on your use case. GPT-5 Codex and Qwen3 Max Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 49 challenges so you can judge which fits your needs best.

How can I compare GPT-5 Codex and Qwen3 Max Thinking on Rival?

This page shows a side-by-side comparison of GPT-5 Codex and Qwen3 Max Thinking across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Feb 2026

GPT-5 CodexvsQwen3 Max Thinking

Qwen3 Max Thinking is the newer model, released after GPT-5 Codex.

GPT-5 Codex and Qwen3 Max Thinking compared across 49 shared prompts
Spec	GPT-5 Codex	Qwen3 Max Thinking
Input price	—	$1.2/M tokens
Output price	—	$6/M tokens
Context window	—	262K tokens
Weights	—	Closed
Free API (OpenRouter)	No	No
Released	Sep 2025	Feb 2026
SWE-bench Verified	74.5%	75.3%