GPT-5.5 vs Qwen3.5 9B
Compare GPT-5.5 by OpenAI against Qwen3.5 9B by Qwen, context windows of 1.1M vs 262K, tested across 52 shared challenges.
Our Verdict
GPT-5.5
Qwen3.5 9BRunner-up
No community votes yet. On paper, GPT-5.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Qwen3.5 9B is 200x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.5
Input
$5.00
Output
$30.00
Qwen3.5 9B
Input
$0.10
50× cheaper
Output
$0.15
200× cheaper
Qwen3.5 9B is cheaper on both — 50× input, 200× output
Writing DNA
Style Comparison
Similarity
50%
Qwen3.5 9B uses 3.3x more transitions
GPT-5.5
Qwen3.5 9B
58%Vocabulary47%
18wSentence Length15w
0.74Hedging0.41
2.9Bold6.9
5.1Lists4.8
0.00Emoji0.00
1.68Headings0.91
0.03Transitions0.12
Based on 26 + 21 text responses
Research
What we learned reading every model
FAQ
