GPT-5 Codex
Nothing here. The model returned empty. We stared at it for a while.
GPT-5 Codex vs Qwen: Qwen3.5 Plus 2026-02-15
Compare GPT-5 Codex by OpenAI against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, tested across 49 shared challenges. Updated April 2026.
Which is better, GPT-5 Codex or Qwen: Qwen3.5 Plus 2026-02-15?
GPT-5 Codex and Qwen: Qwen3.5 Plus 2026-02-15 are both competitive models. Compare their real outputs side by side below.
Key Differences Between GPT-5 Codex and Qwen: Qwen3.5 Plus 2026-02-15
GPT-5 Codex is made by openai while Qwen: Qwen3.5 Plus 2026-02-15 is from qwen.
Our Verdict
GPT-5 Codex
Qwen: Qwen3.5 Plus 2026-02-15
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
Qwen: Qwen3.5 Plus 2026-02-15 uses 2.3x more bold
GPT-5 Codex
Qwen: Qwen3.5 Plus 2026-02-15
64%Vocabulary54%
17wSentence Length18w
0.38Hedging0.51
2.3Bold5.3
3.5Lists2.9
0.15Emoji0.10
0.49Headings0.75
0.05Transitions0.09
Based on 13 + 23 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
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