OpenAI o4-mini vs Qwen: Qwen3.5 Flash
Compare OpenAI o4-mini by OpenAI against Qwen: Qwen3.5 Flash by Qwen, tested across 53 shared challenges.
Our Verdict
OpenAI o4-mini
Qwen: Qwen3.5 Flash
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 Flash is 11x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI o4-mini
Input
$1.10
Output
$4.40
Qwen: Qwen3.5 Flash
Input
$0.10
11× cheaper
Output
$0.40
11× cheaper
Qwen: Qwen3.5 Flash is cheaper on both — 11× input, 11× output
Writing DNA
Style Comparison
Similarity
34%
Qwen: Qwen3.5 Flash uses 687.0x more bold
OpenAI o4-mini
Qwen: Qwen3.5 Flash
73%Vocabulary50%
15wSentence Length14w
0.18Hedging0.35
0.0Bold6.9
2.1Lists4.2
0.00Emoji0.03
0.00Headings1.00
0.02Transitions0.15
Based on 10 + 23 text responses
Research
What we learned reading every model
FAQ
