GPT-5.1 Codex Max vs Qwen Plus 0728 (thinking)
Compare GPT-5.1 Codex Max by OpenAI against Qwen Plus 0728 (thinking) by Qwen, tested across 37 shared challenges. Updated April 2026.
Which is better, GPT-5.1 Codex Max or Qwen Plus 0728 (thinking)?
GPT-5.1 Codex Max and Qwen Plus 0728 (thinking) are both competitive models. Compare their real outputs side by side below.
Key Differences Between GPT-5.1 Codex Max and Qwen Plus 0728 (thinking)
GPT-5.1 Codex Max is made by openai while Qwen Plus 0728 (thinking) is from qwen.
No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer, major provider backing.
Style Comparison
Qwen Plus 0728 (thinking) uses 34.0x more emoji
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
