GPT-4o (Omni) vs Qwen: Qwen3.5 Plus 2026-04-20
Compare GPT-4o (Omni) by OpenAI against Qwen: Qwen3.5 Plus 2026-04-20 by Qwen, context windows of 128K vs 1.0M, tested across 51 shared challenges.
Our Verdict
GPT-4o (Omni)
Qwen: Qwen3.5 Plus 2026-04-20
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Qwen: Qwen3.5 Plus 2026-04-20 is 4.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4o (Omni)
Input
$2.50
Output
$10.00
Qwen: Qwen3.5 Plus 2026-04-20
Input
$0.40
6.3× cheaper
Output
$2.40
4.2× cheaper
Qwen: Qwen3.5 Plus 2026-04-20 is cheaper on both — 6.3× input, 4.2× output
Writing DNA
Style Comparison
Similarity
37%
Qwen: Qwen3.5 Plus 2026-04-20 uses 61.1x more emoji
GPT-4o (Omni)
Qwen: Qwen3.5 Plus 2026-04-20
54%Vocabulary59%
18wSentence Length15w
0.72Hedging0.28
7.3Bold4.4
5.6Lists2.5
0.03Emoji1.53
1.40Headings0.76
0.26Transitions0.04
Based on 24 + 27 text responses
Research
What we learned reading every model
FAQ
