GPT-5.1-Codex-Mini vs Qwen Plus 0728
Compare GPT-5.1-Codex-Mini by OpenAI against Qwen Plus 0728 by Qwen, context windows of 400K vs 1.0M, tested across 55 shared challenges.
Our Verdict
GPT-5.1-Codex-Mini
Qwen Plus 0728Runner-up
No community votes yet. On paper, GPT-5.1-Codex-Mini has the edge — bigger model tier, newer, major provider backing.
Qwen Plus 0728 is 5.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.1-Codex-Mini
Input
$1.50
Output
$6.00
Qwen Plus 0728
Input
$0.40
3.8× cheaper
Output
$1.20
5.0× cheaper
Qwen Plus 0728 is cheaper on both — 3.8× input, 5.0× output
Writing DNA
Style Comparison
Similarity
44%
Qwen Plus 0728 uses 67.5x more emoji
GPT-5.1-Codex-Mini
Qwen Plus 0728
65%Vocabulary55%
20wSentence Length20w
0.56Hedging0.43
3.3Bold5.9
3.4Lists4.1
0.00Emoji0.68
0.08Headings0.84
0.05Transitions0.16
Based on 13 + 22 text responses
Research
What we learned reading every model
FAQ
